WO2023084037A1

WO2023084037A1 - A function enhancement control cabinet module for a control cabinet

Info

Publication number: WO2023084037A1
Application number: PCT/EP2022/081643
Authority: WO
Inventors: Peter Spiel; Bernhard Först
Original assignee: Future Systems Besitz Gmbh
Priority date: 2021-11-12
Filing date: 2022-11-11
Publication date: 2023-05-19
Also published as: EP4180885A1

Abstract

A Function Enhancement Control Cabinet Module, FECCM, (1) for a control cabinet (13), said Function Enhancement Control Cabinet Module, FECCM, (1) being integrated in a housing and comprising at least one energy interface (2) provided at a rear side of the housing of the Function Enhancement Control Cabinet Module, FECCM, (1) for connection of said Function Enhancement Control Cabinet Module, FECCM, (1) to a power distribution system (14) of said control cabinet (13); at least one application device interface (3) provided at a front side of the housing Function Enhancement Control Cabinet Module, FECCM, (1) for connection and power supply of at least one application device (15) to said Function Enhancement Control Cabinet Module, FECCM, (1); and comprising at least one internal bidirectional power supply path, PSP, provided between the energy interface (2) and the application device interface(3), wherein the at least one internal bidirectional power supply path, PSP, is adapted to feed electrical power from the power distribution system (14) connected to the energy interface (2) in a forward power supply direction to the application device (15) connected to the application device interface (3) or is adapted to feed electrical power in a reverse power supply direction from the application device (15) connected to the application device interface (3) to the power distribution system (14) connected to the energy interface (2).

Description

A Function Enhancement Control Cabinet Module for a Control Cabinet

The invention relates to a Function Enhancement Control Cabi- net Module for a control cabinet of an automation system .

A control cabinet can comprise a variety of application de- vices which can be used to connect devices to a power distri- bution system of the control cabinet . The application devices can perform dif ferent technical functions within the automa- tion system . The application devices can comprise for in- stance load switches , motor controllers or frequency invert- ers . In a conventional automation and control system, moni- toring of the operation of application devices and connected load devices as well as monitoring of the operation states of the dif ferent devices mounted within the control cabinet is limited since a suf ficient database is mis sing .

Accordingly, it is an ob j ect of the present invention to pro- vide a Function Enhancement Control Cabinet Module for a con- trol cabinet providing reliable measurement data for monitor- ing and/or controlling functions performed by application de- vices mounted within the respective control cabinet .

This ob j ect is achieved by a Function Enhancement Control Cabinet Module comprising the features of claim 1 .

The invention provides according to a first aspect a Function Enhancement Control Cabinet Module , FECCM, for a control cab- inet , said Function Enhancement Control Cabinet Module , FECCM, being integrated in a housing and comprising : - at least one energy interface provided at a rear side of the housing of the Function Enhancement Control Cab- inet Module , FECCM, for connection of said Function En- hancement Control Cabinet Module , FECCM, to a power distribution system of said control cabinet ;

- at least one application device interface provided at a front side of the housing Function Enhancement Control Cabinet Module , FECCM, for connection and power supply of at least one application device to said Function En- hancement Control Cabinet Module , FECCM ; and at least one internal bidirectional power supply path , PSP , provided between the energy interface and the ap- plication device interface , wherein the at least one internal bidirectional power supply path , PSP , is adapted to feed electrical power from the power distribution system connected to the en- ergy interface in a forward power supply direction to the application device connected to the application de- vice interface or is adapted to feed electrical power in a reverse power supply direction from the applica- tion device connected to the application device inter- face to the power distribution system connected to the energy interface .

In a pos sible embodiment the Function Enhancement Control Cabinet Module , FECCM, comprises further a control interface for connection of said Function Enhancement Control Cabinet Module , FECCM, to an external controller . In a pos sible embodiment the Function Enhancement Control Cabinet Module , FECCM, comprises further a user visualization interface adapted to provide output information to a user and/or adapted to receive user input commands from a user of said control cabinet .

In a pos sible embodiment the Function Enhancement Control Cabinet Module , FECCM, further comprises one or more switch- ing means adapted to control the energy flow between the for- ward power supply direction and the reverse power supply di- rection depending on a type of a device connected to the ap- plication device mounted to the application device interface at the front side of the housing of the Function Enhancement Control Cabinet Module , FECCM .

In a pos sible embodiment the Function Enhancement Control Cabinet Module , FECCM, the switching means are adapted to perform a switching of the energy flow between the forward supply direction and the reverse supply direction under con- trol of a microcontroller integrated in a data processing unit of the Function Enhancement Control Cabinet Module , FECCM .

The switching means can comprise controllable semiconductor switches , in particular thyristors , IGBTs or power MOSFETs . The switching means can be integrated in a power electronic subsystem of the Function Enhancement Control Cabinet Module , FECCM .

In a pos sible embodiment the Function Enhancement Control Cabinet Module , FECCM , the data proces sing unit , DPU, of said Function Enhancement Control Cabinet Module , FECCM, is adapted to identify a type of the at least one application device connected to the application device interface at the front side of the housing of the Function Enhancement Control Cabinet Module , FECCM, and/or is adapted to identify the type of the device connected to the application device based on a stored current profile and voltage profile and/or based on application device identification data received by the Func- tion Enhancement Control Cabinet Module , FECCM, from the con- nected application device via a wired application device con- trol interface or via a wireles s application device control interface , wherein the wireles s application device control interface comprises an RFID interface , a Near Field Communi- cation interface , a WiFi interface or a Bluetooth interface .

In a pos sible embodiment the Function Enhancement Control Cabinet Module , FECCM, further comprises at least one meas- urement unit , MU, provided between the energy interface and the application device interface to provide measurement data, MDATA, to the data proces sing unit , DPU, of said Function En- hancement Control Cabinet Module , FECCM .

In a pos sible embodiment the Function Enhancement Control Cabinet Module , FECCM , the data proces sing unit , DPU, is gal- vanically isolated from said measurement unit , MU, and is adapted to exchange control information and data with the ex- ternal controller connected to the control interface of the Function Enhancement Control Cabinet Module , FECCM . -

In a pos sible embodiment the Function Enhancement Control Cabinet Module , FECCM, the measurement unit , MU, included in the housing of the Function Enhancement Control Cabinet Mod- ule , FECCM, comprises at least one current sensor adapted to measure an amplitude or an amplitude change of an electrical current , I , flowing through the bidirectional power supply path , PSP , at least one voltage sensor adapted to measure an amplitude or an amplitude change of an electrical voltage , V, at the energy interface provided at the rear side of the housing of the Function Enhancement Control Cabinet Module , FECCM, and/or at the application device interface provided at the front side of the housing of the Function Enhancement Control Cabinet Module , FECCM, and at least one temperature sensor adapted to measure a tempera- ture , T, or a temperature change inside the housing of the Function Enhancement Control Cabinet Module , FECCM .

In a pos sible embodiment the Function Enhancement Control Cabinet Module , FECCM , the data proces sing unit , DPU, of the Function Enhancement Control Cabinet Module , FECCM, is adapted to determine an application device operation state of the at least one application device connected to the applica- tion device interface provided at the front side of the hous- ing of said Function Enhancement Control Cabinet Module , FECCM, by evaluation of the measurement data, MDATA, received by the data proces sing unit , DPU, from the measurement unit , MU, of the Function Enhancement Control Cabinet Module , FECCM .

In a pos sible embodiment the Function Enhancement Control Cabinet Module , FECCM , the data proces sing unit , DPU, of the Function Enhancement Control Cabinet Module , FECCM, is adapted to determine a power supply state of the power dis- tribution system connected to the energy interface provided at the rear side of the housing of said Function Enhancement Control Cabinet Module , FECCM, by evaluation of the measure- ment data, MDATA, received by the data proces sing unit , DPU, of the Function Enhancement Control Cabinet Module , FECCM, ( 1 ) from the measurement unit , MU, of the Function Enhance- ment Control Cabinet Module , FECCM .

In a pos sible embodiment the Function Enhancement Control Cabinet Module , FECCM , the user visualization interface is connected to the data proces sing unit , DPU, of the Function Enhancement Control Cabinet Module , FECCM, and is adapted to display the application device operation state , in particu- lar an operation failure state , of the at least one applica- tion device connected to the application device interface provided at the front side of the housing of the Function En- hancement Control Cabinet Module , FECCM, and/or is adapted to display a power supply state of the power distribut ion system connected to the energy interface provided at the rear side of the housing of the Function Enhancement Control Cabinet Module , FECCM .

In a pos sible embodiment the Function Enhancement Control Cabinet Module , FECCM, the user visualization interface is a touch sensitive user interface adapted to receive user input commands of a user of the control cabinet .

In a pos sible embodiment the Function Enhancement Control Cabinet Module , FECCM, the data proces sing unit , DPU, is adapted to receive via a communication channel device opera- tion boundary data and/or device characteristics stored in a configuration memory of the application device connected to the application device interface ) via the wired or wireles s application device control interface to the data proces sing unit , DPU, of the Function Enhancement Control Cabinet Mod- ule , FECCM . In a pos sible embodiment the Function Enhancement Control Cabinet Module , FECCM the device operation boundary data of the application device comprises a maximum and minimum admis sible supply current , I , a maximum and minimum admis sible supply voltage , V, a maximum and minimum admis sible operation temperature , T, an I ²t value and/or a maximum switching frequency of the connected application device or load device .

In a pos sible embodiment the Function Enhancement Control Cabinet Module , FECCM the data proces sing unit , DPU, of the Function Enhancement Control Cabinet Module , FECCM, is adapted to perform automatically a pre-conf iguration of pos- sible functions of the connected application device and/or a pre-conf iguration of pos sible functions of the Function En- hancement Control Cabinet Module , FECCM, on the bas is of the application device identification data and/or on the basis of the device operation boundary data and/or the device charac- teristics received by the data proces sing unit , DPU, via the wired or wireles s application device control interface .

In a pos sible embodiment the Function Enhancement Control Cabinet Module , FECCM the current sensor of the measurement unit , MU, being adapted to measure an amplitude or an ampli- tude change of the electrical current , I , flowing through the internal bidirectional power supply path, PSP , comprises at least one shunt resistor, a Hall sensor, a current trans form- er or a Rogowski coil being adapted to provide a current sen- sor signal sampled with a predetermined or adjustable sam- pling rate , SR, and converted by a first analog to digital converter, ADC1 , of the measurement unit , MU, to generate current measurement data, I-MDATA, supplied by the measure- ment unit , MU, to a local non-volatile data memory of the da- ta proces sing unit , DPU, of the Function Enhancement Control Cabinet Module , FECCM, for immediate usage and calculations and/or stored in a local non-volatile data memory of the data proces sing unit , DPU, as a current profile , I-Profile .

In a pos sible embodiment the Function Enhancement Control Cabinet Module , FECCM the voltage sensor of the measurement unit , MU, being adapted to measure an amplitude or an ampli- tude change of the electrical voltage , V, at the internal bi- directional power supply path, PSP , is adapted to provide a voltage sensor signal sampled with a predetermined or adjust- able sampling rate , SR, and converted by a second analog to digital converter, ADC2 , of the measurement unit , MU, to gen- erate voltage measurement data, V-MDATA, supplied by the measurement unit , MU, to a local non-volatile data memory of the data proces sing unit , DPU, of the Function Enhancement Control Cabinet Module , FECCM, for immediate usage and calcu- lations and/or stored in a local non-volatile data memory of the data proces sing unit , DPU, as a voltage profile , V- Prof ile .

In a pos sible embodiment the Function Enhancement Control Cabinet Module , FECCM the temperature sensor being adapted to measure a temperature , T, or a temperature change at the in- ternal bidirectional power supply path, PSP , provided within the housing of the Function Enhancement Control Cabinet Mod- ule , FECCM, is adapted to provide a temperature sensor signal sampled with predetermined or adjustable sampling rate , SR, and converted by a third analog to digital converter, ADC3 , of the measurement unit , MU, to generate temperature measure- ment data, T-MDATA, supplied by the measurement unit , MU, ( 6 ) to a local non-volatile data memory of the data proces sing unit , DPU, of the Function Enhancement Control Cabinet Mod- ule , FECCM, ( 1 ) for immediate usage and calculations and/or stored in the local non-volatile data memory of the data pro- ces sing unit , DPU, as a temperature profile , T-Prof ile .

In a pos sible embodiment the Function Enhancement Control Cabinet Module , FECCM at least one AC power supply phase , L, is applied to a corresponding electrical contact of the ener- gy interface provided at the rear side of the housing of the Function Enhancement Control Cabinet Module , FECCM, connected to the power distribution system .

In a pos sible embodiment the Function Enhancement Control Cabinet Module , FECCM the data proces sing unit , DPU, included in the housing of the Function Enhancement Control Cabinet Module , FECCM, is adapted to proces s measurement data, MDATA, application device identification data and/or device operation boundary data of the application device connected to the application device interface of the Function Enhance- ment Control Cabinet Module , FECCM, in real time to optimize an electrical power supply of the connected application de- vice and/or to provide an overcurrent protection and/or to provide an overload protection to the connected application device or to provide an overcurrent protection and/ or to pro- vide an overload protection to a load device connected to the application device and/or to control a state of the connected application device and/or to control a state of a load device and/or of a power generation device connected to the applica- tion device .

In a pos sible embodiment the Function Enhancement Control

Cabinet Module , FECCM measurement data, MDATA, application device identification data and/or device operation boundary data are recorded and stored continuously or event-driven at least temporarily in a local non-volatile data memory of the data proces sing unit , DPU, of the Function Enhancement Con- trol Cabinet Module , FECCM .

In a pos sible embodiment the Function Enhancement Control Cabinet Module , FECCM, the data proces sing unit , DPU, of the Function Enhancement Control Cabinet Module , FECCM, is adapted to evaluate the stored measurement data, MDATA, the stored application device identification data and/or the stored device operation state of the application device con- nected to the application device interface provided at the front side of the housing of the Function Enhancement Control Cabinet Module , FECCM, to detect or predict a failure of the connected application device and is adapted to noti fy an in- ternal microcontroller or FPGA of the data proces sing unit , DPU, or an external controller connected to the control in- terface of the Function Enhancement Control Cabinet Module , FECCM, about the detected or predicted failure of the con- nected application device .

In a pos sible embodiment the Function Enhancement Control Cabinet Module , FECCM an acquisition of the measurement data, MDATA, the application device identification data and/or of the device operation boundary data is triggered and con- trolled by by the internal microcontroller or by a FPGA of the data proces sing unit , DPU, included in the hous ing of the Function Enhancement Control Cabinet Module , FECCM .

In a pos sible embodiment the Function Enhancement Control Cabinet Module , FECCM the acquired measurement data , MDATA, stored in the local non-volatile data memory of the data pro- ces sing unit , DPU, is evaluated by a proces sor of the data proces sing unit , DPU, of the Function Enhancement Control Cabinet Module , FECCM, to determine specific data patterns representing as sociated application device operation states of the at least one application device connected to the ap- plication device interface provided at the front side of the housing of the Function Enhancement Control Cabinet Module , FECCM, and/or representing as sociated power supply states of the power distribution system connected to the energy inter- face provided at the rear side of the housing of the Function Enhancement Control Cabinet Module , FECCM .

In a pos sible embodiment the Function Enhancement Control Cabinet Module , FECCM the proces sor of the data proces sing unit , DPU, comprises a trained artificial neural network, ANN, adapted to recognize application device operat ion states of the application device connected to the applicat ion device interface provided at the front side of the housing of the Function Enhancement Control Cabinet Module , FECCM, and/or to recognize power supply operation states of the power distri- bution system connected to the energy interface provided at the rear side of the housing of the Function Enhancement Con- trol Cabinet Module , FECCM, on the basis of measurement data, MDATA, received by the data proces sing unit , DPU, f rom the galvanically isolated measurement unit , MU, of the Function Enhancement Control Cabinet Module , FECCM, or read from the local non-volatile data memory of the data proces sing unit , DPU, and applied to an input layer of the trained artificial neural network, ANN, of the proces sor of the data proces sing unit , DPU, to provide a clas sification result output by an output layer of the trained artificial neural network, ANN, to the internal microcontroller or the FPGA of the data pro- ces sing unit , DPU . In a pos sible embodiment the Function Enhancement Control Cabinet Module , FECCM the data proces sing unit , DPU, of the Function Enhancement Control Cabinet Module , FECCM, is adapted to communicate with an external control cabinet con- troller connected to the control interface of the Function Enhancement Control Cabinet Module , FECCM, by means of a pre- defined data trans fer protocol including a field bus data trans fer protocol or an Ethernet-based data trans fer proto- col .

In a pos sible embodiment the Function Enhancement Control Cabinet Module , FECCM the application device connected to the application device interface provided at the front side of the housing of the Function Enhancement Control Cabinet Mod- ule , FECCM, comprises a switchable or non-switchable load connector .

In a pos sible embodiment the Function Enhancement Control Cabinet Module , FECCM the energy interface provided at the rear side of the housing of the Function Enhancement Control Cabinet Module , FECCM, comprises several electrical contact s for AC power supply phases , L, of a multiphase power distri- bution system and the application device interface provided at the front side of the housing of the Function Enhancement Control Cabinet Module , FECCM, comprises several electrical contact s for AC power supply phases , L, of a multiphase ap- plication device connectable to the application device inter- face provided at the front side of the housing of the Func- tion Enhancement Control Cabinet Module , FECCM .

In a pos sible embodiment the Function Enhancement Control Cabinet Module , FECCM a proces sor of a data proces s ing unit , DPU, of the Function Enhancement Control Cabinet Module , FECCM, is adapted to calculate a phase relationship between dif ferent electrical AC power supply phases , L, supplied via the bidirectional internal power supply path, PSP , of the Function Enhancement Control Cabinet Module , FECCM, and/or to determine a frequency of the electrical AC power supply phas- es , L, based on the measurement data, MDATA, received by the data proces sing unit , DPU, from a measurement unit , MU, of the Function Enhancement Control Cabinet Module , FECCM, and/or to calculate a real power, a reactive power and/or an apparent power of each phase , L, and to calculate summed re- al, reactive and apparent power values of a multi-phase power distribution system, and/or to accumulate energy values re- lated to single phases or related to multiple phase s of a multiphase power distribution system .

In a pos sible embodiment the Function Enhancement Control Cabinet Module , FECCM the measurement unit , MU, of the Func- tion Enhancement Control Cabinet Module , FECCM, is integrated in a measurement submodule connected via an internal data and control interface to the data proces sing unit , DPU, of the Function Enhancement Control Cabinet Module , FECCM, integrat- ed in a separate data proces sing submodule .

In a pos sible embodiment the Function Enhancement Control Cabinet Module , FECCM the data proces sing unit , DPU, is adapted to perform an automatic rotation field detection and/or an automatic polarity detection based on the measure- ment data, MDATA, received from the measurement unit , MU, and/or based on a phase relationship between dif ferent elec- trical AC power supply phases , L, calculated by a proces sor of the data proces sing unit , DPU . In a pos sible embodiment the Function Enhancement Control Cabinet Module , FECCM , the data proces sing unit , DPU, of the Function Enhancement Control Cabinet Module , FECCM, comprises a microcontroller or FPGA adapted to control at least one ac- tuator provided in the bidirectional internal power supply path, PSP , or located at the application device side in re- sponse to the measurement data, MDATA, received by the data proces sing unit , DPU, from the measurement unit , MU, of the Function Enhancement Control Cabinet Module , FECCM, to opti- mize the power supply to the connected application device and/or to provide protection against overcurrent and/or against overload .

In a pos sible embodiment the Function Enhancement Control Cabinet Module , FECCM , the microcontroller or the FPGA of the data proces sing unit , DPU, is adapted to control functions of the application device connected to the application device interface provided at the front side of the housing of the Function Enhancement Control Cabinet Module , FECCM, through an application device control interface of the Function En- hancement Control Cabinet Module , FECCM .

In a pos sible embodiment the Function Enhancement Control Cabinet Module , FECCM , measurement data, MDATA, supplied by the measurement unit , MU, of the Function Enhancement Control Cabinet Module , FECCM, to the proces sor or to the FPGA of the data proces sing unit , DPU, of the Function Enhancement Con- trol Cabinet Module , FECCM, and/or stored in the local non- volatile data memory of the data proces sing unit , DPU, and/or failure mes sages indicating a failure of the Function En- hancement Control Cabinet Module , FECCM, and/or a failure of an application device connected to the application device in- terface of the Function Enhancement Control Cabinet Module , FECCM, are forwarded via the control interface to the exter- nal control cabinet controller connected to the control in- terface of the Function Enhancement Control Cabinet Module , FECCM, along with a unique identifier , FMCCI-ID, of the Func- tion Enhancement Control Cabinet Module , FECCM, and/or along with position information indicating a mounting pos ition of the af fected Function Enhancement Control Cabinet Module , FECCM, within the control cabinet .

In a pos sible embodiment the Function Enhancement Control Cabinet Module , FECCM the switching means comprises a power electronic subsystem adapted to perform the switching between the forward supply direction and the reverse supply direction under control of a microcontroller integrated in a data pro- ces sing unit of the Function Enhancement Control Cabinet Mod- ule , FECCM .

The invention further provides according to a further aspect a control cabinet for an automation system, said control cab- inet comprising one or more Function Enhancement Control Cab- inet Modules , FECCMs , according to the first aspect of the present invention .

In a pos sible embodiment of the control cabinet a multiphase Function Enhancement Control Cabinet Module , FECCM, mounted in the control cabinet comprises for each AC power supply phase , L, of the AC power distribution system an as sociated measurement unit , MU, and a corresponding data processing unit , DPU .

In a pos sible embodiment of the control cabinet the measure- ment unit s , MUs , and the data proces sing unit s , DPUs , of the multiphase Function Enhancement Control Cabinet Module , FECCM, are provided on a common rectangular printed circuit board being enclosed by an elongated housing of the multi- phase Function Enhancement Control Cabinet Module , FECCM, and being oriented perpendicular to busbars of the mult iphase AC power distribution system or perpendicular to mount ing rails of the control cabinet , wherein the printed circuit board is fixed in the housing or is arranged replaceable within the housing of the Function Enhancement Control Cabinet Module , FECCM .

The invention provides according to a further aspect a Func- tion Enhancement Control Cabinet Module for a control cabinet comprising at least one energy interface for connection of said Function Enhancement Control Cabinet Module to a power distribution system of said control cabinet , at least one application device interface for connection and power supply of at least one application device connected to said Function Enhancement Control Cabinet Module , a control interface for connection of said Function Enhance- ment Control Cabinet Module to a control cabinet controller of said control cabinet , and comprising at least one measurement unit provided between the energy in- terface and the application device interface to provide meas- urement data to a data proces sing unit of said Function En- hancement Control Cabinet Module being galvanically isolated from said measurement unit and adapted to exchange control information and data with the control cabinet controller con- nected to the control interface of the Function Enhancement Control Cabinet Module .

In a preferred embodiment the Function Enhancement Control

Cabinet Module comprises a user visualization interface adapted to provide output information to a user and/or to re- ceive user input commands from a user of said control cabi- net .

In a pos sible embodiment of the Function Enhancement Control Cabinet Module , the module comprises at least one internal bidirectional power supply path provided between the energy interface at a rear side of the housing of the Function En- hancement Control Cabinet Module and the application device interface provided at a front side of the housing of the Function Enhancement Control Cabinet Module .

The internal bidirectional power supply path is adapted to feed electrical power from the power distribution system of the control cabinet connected to the energy interface provid- ed at the rear side of the housing of the Function Enhance- ment Control Cabinet Module in a forward power supply direc- tion to the application device connected to the application device interface provided at the front side of the housing of the Function Enhancement Control Cabinet Module or is adapted to feed electrical power in a reverse power supply direction from the application device connected to the application de- vice interface provided at the front side of the housing of the Function Enhancement Control Cabinet Module to the power distribution system of the control cabinet connected to the energy interface provided at the rear side of the housing of the Function Enhancement Control Cabinet Module .

On the front face of the application device connected to the application device interface provided at a front side of the housing of the Function Enhancement Control Cabinet Module , one or more electrical loads can be connected to receive electrical power from the application device through said ap- plication device interface . In this case , the load devices which consume electrical power receive electrical power from the power distribution system of the control cabinet in a forward power supply direction of the power supply path .

The load wiring also can be placed on top or bottom side of the application device .

It is also pos sible that power generation devices are con- nected to the application device feeding power through the application device and through the application device inter- face and through the power supply path of the Funct ion En- hancement Control Cabinet Module into the power distribution system of the control cabinet . In this case , electrical power is fed in reverse power supply direction from the application device into the power distribution system of the control cab- inet .

The application device connected to the application device interface of the Function Enhancement Control Cabinet Module can perform dif ferent kinds of functions and may comprise for instance a contactor or load switch, a motor control appa- ratus , a fuse holder, for instance a frequency inverter . The application device connected to the application device inter- face of the Function Enhancement Control Cabinet Module can provide overcurrent protection and/or overload protection for a load device connected to the respective application device . The application device may also comprise an adapter device . The application device is in a preferred embodiment only in charge of these functions while connected to and controlled by the FECCM . The h Function Enhancement Control Cabinet Module may com- prise dif ferent kinds or types of sensor element s which are adapted to provide sensor signals used to provide measurement data being preproces sed or proces sed by the data proces sing unit of the Function Enhancement Control Cabinet Module in real time during the operation of the control cabinet .

In a further pos sible embodiment , the application device op- eration state is notified to the data proces sing unit , DPU, of the Function Enhancement Control Cabinet Module , FECCM, through a communication link of a control entity of the ap- plication device connected to the application device inter- face of said Function Enhancement Control Cabinet Module .

In a pos sible implementation of the Function Enhancement Con- trol Cabinet Module according to the first aspect of the pre- sent invention, the wireles s application device control in- terface comprises an RFID interface , a Near Field Communica- tion, NFC, interface , a WiFi interface or a Bluetooth inter- face .

Accordingly, the Function Enhancement Control Cabinet Module can comprise in a pos sible implementation at least one appli- cation device interface provided for electrical power supply and an as sociated application device control interface pro- vided for exchanging control signals between a cont rol entity of the application device and a controller integrated in the data proces sing unit of the Function Enhancement Control Cab- inet Module .

In a further pos sible embodiment of the Function Enhancement Control Cabinet Module according to the first aspect of the present invention, the data proces sing unit of the Function Enhancement Control Cabinet Module is adapted to perform au- tomatically a pre-configurat ion of pos sible functions of the connected application device on the basis of the application device identification data and/or on the basis of the device operation boundary data and/or on the basis of the device characteristics received by the data proces sing unit via a wired or wireles s application device control interface .

In a further pos sible embodiment of the Function Enhancement Control Cabinet Module according to the first aspect of the present invention functions of the Function Enhancement Con- trol Cabinet Module can be pre-configured or re-configured automatically depending on a detected type of the application device or depending on an input type of the application de- vice input by a user .

These functions may comprise for instance a matching monitor- ing algorithm for current monitoring or a coupling of auxil- iary output s to current threshold values voltage threshold values or to temperature threshold values .

In a pos sible embodiment of the Function Enhancement Control Cabinet Module according to the first aspect of the present invention, the external control cabinet controller connected to the control interface of the Function Enhancement Control Cabinet Module is adapted to trigger a repair or a mainte- nance or a troubleshooting action to addres s the notified failure of the application device connected to the applica- tion device interface provided at the front side of the hous- ing of the Function Enhancement Control Cabinet Module .

In a still further pos sible embodiment of the Funct ion En- hancement Control Cabinet Module according to the f irst as- pect of the present invention, the application device con- nected to the application device interface provided at the front side of the housing of the Function Enhancement Control Cabinet Module comprises a meltable or an electronic- controlled fuse element .

In a further pos sible embodiment of the Function Enhancement Control Cabinet Module according to the first aspect of the present invention, the measurement submodule is connectable to the data proces sing submodule via the internal data and control interface to provide the Function Enhancement Control Cabinet Module .

In a still further pos sible embodiment of the Funct ion En- hancement Control Cabinet Module according to the f irst as- pect of the present invention, an actuator in the bidirec- tional power supply path, PSP , comprises a controllable semi- conductor power switch or comprises an electromechanical pow- er switch .

In a further pos sible embodiment of the Function Enhancement Control Cabinet Module according to the first aspect of the present invention, the control cabinet controller of the con- trol cabinet is adapted to compare the measurement data re- ceived by the control cabinet controller via control inter- faces from dif ferent Function Enhancement Control Cabinet Modules mounted in the control cabinet to identify a deviat- ing operation behavior of a Function Enhancement Control Cab- inet Module .

In a pos sible embodiment , the Function Enhancement Control Cabinet Module is connected to an internal power di stribution busbar system of a control cabinet . The invention provides according to a further aspect a Func- tion Enhancement Control Cabinet Busbar Module comprising at least one internal bidirectional power supply path provid- ed between an energy interface at a rear side of a housing of the Function Enhancement Control Cabinet Busbar Module and the application device interface provided at a front side of the housing of the Function Enhancement Control Cabinet Bus- bar Module and adapted to feed electrical power in a forward power supply direction from at least one busbar of a power distribution busbar system connected to the energy interface to the application device connected to the applicat ion device interface or is adapted to feed electrical power in a reverse power supply direction from the application device connected to the application device interface to at least one busbar of the power distribution busbar system connected to the energy interface and comprising at least one measurement unit inte- grated in the housing of the Function Enhancement Control Cabinet Busbar Module and provided at the internal power sup- ply path between the energy interface and the application de- vice interface to provide measurement data to a data pro- ces sing unit integrated in the housing of the Funct ion En- hancement Control Cabinet Busbar Module , wherein said data proces sing unit is galvanically isolated from said measure- ment unit and is adapted to exchange control information and data with an external control cabinet controller of a control cabinet connected to a control interface of the Function En- hancement Control Cabinet Busbar Module provided in the hous- ing of the Function Enhancement Control Cabinet Busbar Module and connected to the integrated data proces sing unit of the Function Enhancement Control Cabinet Busbar Module . In a pos sible embodiment of the Function Enhancement Control Cabinet Busbar Module , the power distribution busbar system of the control cabinet comprises an AC power distribution busbar system having at least one busbar for an as sociated power supply phase applied to a corresponding elect rical con- tact of the energy interface provided at a rear side of the housing of the Function Enhancement Control Cabinet Busbar Module connected to the power distribution busbar system .

In an alternative embodiment , the Function Enhancement Con- trol Cabinet Busbar Module comprises a DC power distribution busbar system providing a DC power supply applied to at least one busbar of the DC power supply system .

In a further pos sible embodiment of the Function Enhancement Control Cabinet Busbar Module according to the second aspect of the present invention, the application device connected to the application device interface provided at the front side of the housing of the Function Enhancement Control Cabinet Busbar Module comprises an electrical load including a resis- tive load, a capacitive load and/or an inductive load or com- prises an adapter device used for connection of a load de- vice .

In a further pos sible embodiment of the Function Enhancement Control Cabinet Busbar Module according to the second aspect of the present invention, the energy interface provided at the rear side of the housing of the Function Enhancement Con- trol Cabinet Busbar Module comprises electrical contact s pro- truding from the rear side of the housing of the Function En- hancement Control Cabinet Busbar Module pluggable into corre- sponding slot s of busbars of the power distribution busbar system of the control cabinet . The busbars of the power distribution system can in a pos si- ble embodiment be integrated in a touch protected busbar board .

In a still further pos sible embodiment of the Funct ion En- hancement Control Cabinet Busbar Module according to the sec- ond aspect of the present invention, the application device interface provided at the front side of the housing of the Function Enhancement Control Cabinet Busbar Module comprises at least one busbar portion of an internal busbar included in the housing of the Function Enhancement Control Cabinet Bus- bar Module and forming part of the internal bidirectional power supply path, wherein the busbar portion of the internal busbar comprises slot s into which protruding electrical con- tact s of an application device are pluggable through as soci- ated contact openings provided at the front side of the hous- ing of the Function Enhancement Control Cabinet Busbar Mod- ule .

In a still further pos sible embodiment of the Funct ion En- hancement Control Cabinet Busbar Module according to the sec- ond aspect of the present invention, the measurement unit and the data proces sing unit integrated in the electrically iso- lating housing of the Function Enhancement Control Cabinet Busbar Module are provided on a printed circuit board sur- rounded by the electrically isolating housing of the Function Enhancement Control Cabinet Busbar Module .

In a pos sible embodiment the Printed Circuit Board is re- placeable . In a further pos sible embodiment of the Function Enhancement Control Cabinet Busbar Module according to the second aspect of the present invention, the sensors of the measurement unit of the Function Enhancement Control Cabinet Busbar Module are provided at the at least one internal busbar included in the housing of the Function Enhancement Control Cabinet Busbar Module to provide measurement data to the data processing unit of the Function Enhancement Control Cabinet Busbar Mod- ule indicating an amplitude or an amplitude change of an electrical current flowing through the internal busbar and/or indicating an electrical voltage or voltage change of an electrical voltage at the internal busbar of the Function En- hancement Control Cabinet Busbar Module .

In a pos sible embodiment of the Function Enhancement Control Cabinet Busbar Module , an auxiliary power supply for the data proces sing unit of the Function Enhancement Control Cabinet Busbar Module is provided through the control interface of the Function Enhancement Control Cabinet Busbar Module .

In a further pos sible embodiment of the Function Enhancement Control Cabinet Busbar Module according to the second aspect of the present invention, for each AC power supply phase of a multiphase AC power distribution busbar system of the control cabinet , a separate Function Enhancement Control Cabinet Bus- bar Module is provided .

In a still further pos sible embodiment of the Funct ion En- hancement Control Cabinet Busbar Module according to the sec- ond aspect of the present invention, a sensor provided at the internal power supply path is adapted to generate a sensor signal supplied via gold spring element s to the data pro- ces sing unit mounted on a printed circuit board of the Func- tion Enhancement Control Cabinet Busbar Module .

In a further pos sible embodiment of the Function Enhancement Control Cabinet Busbar Module according to the second aspect of the present invention, the user visualization interface comprises a set of light emitting diodes located at the ap- plication device interface and adapted to indicate a connec- tion state and/or an operation state of an applicat ion device connected to the application device interface of the Function Enhancement Control Cabinet Busbar Module and comprises a set of light emitting diodes , located at the energy supply interface and adapted to indicate a connection state and/or an operation state of the power distribution busbar system of the control cabinet connected to the energy supply interface of the Function Enhancement Control Cabinet Busbar Module .

In a still further pos sible embodiment of the Funct ion En- hancement Control Cabinet Busbar Module according to the sec- ond aspect of the present invention, the application device connected to the application device interface provided at the front side of the housing of the Function Enhancement Control Cabinet Busbar Module comprises an RFID tag storing applica- tion device identification data and/or device operation boundary data read by an RFID reading unit of the Function Enhancement Control Cabinet Busbar Module and supplied to a proces sor of the data proces sing unit of the Function En- hancement Control Cabinet Busbar Module and/or stored in a local non-volatile data memory of the data proces sing unit .

The invention provides according to a further third aspect a control cabinet including one or more Function Enhancement Control Cabinet Modules according to the first or second as- pect of the present invention .

The invention provides according to the third aspect a con- trol cabinet including one or more Function Enhancement Con- trol Cabinet Modules according to the first or second aspect of the present invention being mounted in the control cabi- net , wherein the Function Enhancement Control Cabinet Module comprises an energy interface connected to an AC power dis- tribution system or to a DC power distribution system of the control cabinet and comprises an application device interface for connection of at least one application device via a bidi- rectional internal power supply path of the Function Enhance- ment Control Cabinet Module to the AC or DC power distribu- tion system of the control cabinet and further comprises a control interface provided for connection of the re spective Function Enhancement Control Cabinet Module to a control cab- inet controller of the control cabinet , wherein the Function Enhancement Control Cabinet Modules of the control cabinet are adapted to communicate with each other and/or to communi- cate with the control cabinet controller of the control cabi- net by means of wired or wireles s communication interfaces .

In a pos sible embodiment of the control cabinet according to the third aspect of the present invention, busbars of the power distribution busbar system of the control cabinet are encapsulated by a touch protection busbar board having slot s to receive protruding electrical contact s of the energy in- terface of the Function Enhancement Control Cabinet Module being pluggable through contact openings provided at the front side of the touch protection busbar board into corre- sponding slot s of the encapsulated busbars of the power dis- tribution busbar system of the control cabinet lying directly beneath the contact openings of the respective touch- protected busbar board .

In a pos sible embodiment of the control cabinet according to the third aspect of the present invention, the busbars of the power distribution busbar system of the control cabinet are mounted in a horizontal direction within the control cabinet .

The busbars of the power distribution busbar system of the control cabinet can be mounted on a mounting plat form of the control cabinet , wherein the mounting plat form comprises a mounting plate or mounting support poles of the control cabi- net .

In a further pos sible embodiment of the control cabinet ac- cording to the third aspect of the present invention, a mul- tiphase application device having protruding electrical con- tact s is pluggable through corresponding contact openings provided at the front side of the housing of the multiphase Function Enhancement Control Cabinet Module into slots of in- ternal busbars included in the housing of the multiphase Function Enhancement Control Cabinet Module to establish an electrical contact via the bidirectional internal power sup- ply path of the multiphase Function Enhancement Control Cabi- net Module with the electrical contact s of the energy inter- face provided at the rear side of the housing of the multi- phase Function Enhancement Control Cabinet Module and for es- tablishing an electrical connection with the busbars of the power distribution busbar system of the respective control cabinet .

In a pos sible embodiment of the control cabinet according to the third aspect of the present invention, the mult iphase Function Enhancement Control Cabinet Module mounted in the control cabinet comprises for each AC power supply phase of the multiphase AC power distribution busbar system an as soci- ated measurement unit and a corresponding data processing unit .

In a pos sible embodiment of the control cabinet according to the third aspect of the present invention, the data pro- ces sing unit s of a multiphase Function Enhancement Control Cabinet Module are provided on a common rectangular printed circuit board being enclosed by an elongated housing of the multiphase Function Enhancement Control Cabinet Module and being oriented perpendicular to the busbars on mounting rails of the multiphase power distribution busbar system of the control cabinet .

In a further pos sible embodiment of the control cabinet ac- cording to the third aspect of the present invention, the control cabinet controller of the control cabinet i s connect- ed to a user interface of the control cabinet adapted to dis- play operation states and/or to display a predicted or de- tected failure of a plurality of application device s connect- ed to the Function Enhancement Control Cabinet Modules in- cluded in a housing of the control cabinet .

In a further pos sible embodiment of the control cabinet ac- cording to the third aspect of the present invention, the rear side of the housing of the Function Enhancement Control Cabinet Module is mountable to a rail or a mounting plate of the respective control cabinet . In the following, pos sible embodiment s of the dif ferent as- pect s of the present invention are described in more detail with reference to the enclosed figures .

Fig . 1 shows a block diagram of a pos sible exem- plary embodiment of a Function Enhancement Control Cabinet Module according to an as- pect of the present invention ;

Fig . 2 shows a schematic diagram for illustrating dif ferent connection systems used in a con- trol cabinet according to an aspect of the present invention ;

Fig . 3 shows a further schematic block diagram for illustrating a pos sible exemplary embodi- ment of a Function Enhancement Control Cab- inet Module according to an aspect of the present invention ;

Fig . 4 shows a further block diagram for illus- trating a pos sible exemplary embodiment of a Function Enhancement Control Cabinet Mod- ule according to the present invention ;

Figs . 5A, 5B, 5C illustrate pos sible exemplary implementa- tions of a measurement unit provided within a Function Enhancement Control Cabinet Mod- ule according to the present invention ;

Fig . 6 shows a further block diagram for illus- trating a pos sible exemplary embodiment of a Function Enhancement Control Cabinet Mod- ule according to the present invention ;

Fig . 7 shows a further schematic block diagram for illustrating a pos sible exemplary embodi- ment of a control cabinet according to a further aspect of the present invention ;

Fig . 8 shows a further block diagram for illus- trating a pos sible exemplary embodiment of an automation system comprising control cabinet s according to the present inven- tion ;

Fig . 9 shows schematically a pos sible embodiment of an automation system including several control cabinet s ;

Fig . 10 shows a block diagram for illustrating a multiphase Function Enhancement Control Cabinet Module according to the present in- vention ;

Fig . 11 shows a perspective view illustrating the as sembly of an application device to an ap- plication device interface provided on a front side of a Function Enhancement Con- trol Cabinet Module according to the pre- sent invention mounted to busbars of a pow- er distribution system of a control cabi- net ; Fig . 12 shows a further perspective view for illus- trating the as sembly of a load device to an application device connected to a Function Enhancement Control Cabinet Module mounted to busbars of a power distribution system of the control cabinet ;

Fig . 13 shows a schematic cros s-sectional view for illustrating a pos sible exemplary embodi- ment of a Function Enhancement Control Cab- inet Module according to the present inven- tion ;

Figs . 14A, 14B illustrate a pos sible implementation of a Function Enhancement Control Cabinet Module according to the present invention ;

Fig . 15 illustrates a printed circuit board with mounted internal busbars provided within a housing of a multiphase Function Enhance- ment Control Cabinet Module according to the present invention ;

Fig . 1 6 illustrates a printed circuit board provid- ed within a housing of a multiphase Func- tion Enhancement Control Cabinet Module ac- cording to the present invention ;

Fig . 17 illustrates an exemplary implementation of a measurement unit within a housing of a Function Enhancement Control Cabinet Module according to the present invention ; Figs . 18A, 18B illustrate pos sible variant s for mounting a Function Enhancement Control Cabinet Module to a busbar of a power distribution system of the control cabinet ;

Fig . 1 9 illustrates a further variant for mounting a Function Enhancement Control Cabinet Mod- ule according to the present invention to a mounting rail of a control cabinet ;

Fig . 20A, 20B illustrate a forward supply direction and a reverse power supply direction of a Func- tion Enhancement Control Cabinet according to the present invention :

Fig . 21 illustrates the power supply of a load de- vice by a local power supply generation source through Function Enhancement Control Cabinet Modules connected to busbars of a power distribution system of a control cab- inet ;

Figs . 22A, 22B illustrate a pos sible exemplary embodiment of a turnable housing of a Function En- hancement Control Cabinet Module according to the present invention ;

Fig . 23 illustrates a composition of a multiphase

Function Enhancement Control Cabinet Module from several single phase Function Enhance- ment Control Cabinet Modules ; Fig . 24 illustrates a pos sible stacking of multiple

Function Enhancement Control Cabinet Mod- ules according to the present invention be- tween a power distribution system of a con- trol cabinet and an application device used for connection of load or power generation devices ;

Fig . 25 illustrates a pos sible exemplary embodiment of a Function Enhancement Control Cabinet Module with a replaceable printed circuit board;

Fig . 2 6 illustrates a further exemplary embodiment of a Function Enhancement Control Cabinet Module using a communication busbar for communication ;

Figs . 27 A, 27B illustrate a Function Enhancement Control Cabinet Module sandwiched between a power distribution system and an application de- vice which comprises an unfoldable graph- ical user interface .

Fig . 28 shows a perspective view on a busbar board of a power distribution system with several application devices mounted on a front face of the busbar via sandwiched Function En- hancement Control Cabinet Modules according to the present invention ;

Fg . 2 9A-2 9D show pos sible embodiment s of power elec- tronic subsystems used for switching be- tween a forward power supply direction and reverse power supply direction in a Func- tion Enhancement Control Cabinet Module ac- cording to the present invention ;

Fig . 30A-30D show pos sible embodiment s of power elec- tronic subsystems used for switching be- tween a forward power supply direction and reverse power supply direction in a Func- tion Enhancement Control Cabinet Module ac- cording to the present invention ;

Fig . 31 , 32 show further pos sible embodiment s of power electronic subsystems used for switching between a forward power supply direction and reverse power supply direction in a Function Enhancement Control Cabinet Module according to the present invention .

Fig . 1 shows a block diagram of a Function Enhancement Con- trol Cabinet Module 1 for a control cabinet 13 according to a first aspect of the present invention as shown in Fig . 9 .

The Function Enhancement Control Cabinet Module 1 illustrated in Fig . 1 can be mounted to a mounting plat form of a control cabinet 13 . In the illustrated embodiment illustrated in Fig . 1 , the Function Enhancement Control Cabinet Module 1 comprises at least one energy interface 2 used for connection of said Function Enhancement Control Cabinet Module 1 to a power distribution system 14 of the control cabinet 13 . The energy interface 2 as shown in Fig . 1 is provided in a pre- ferred embodiment on a rear side of a housing of the Function Enhancement Control Cabinet Module 1 , i . e . facing the mount- ing plat form of the control cabinet 13 also shown in Fig . 7 .

The Function Enhancement Control Cabinet Module 1 further comprises at least one application device interface 3 for connection and power supply of at least one application de- vice 15 to the Function Enhancement Control Cabinet Module 1 . The application device interface 3 as shown in Fig . 2 is pro- vided in a preferred embodiment on a front side of the hous- ing of the Function Enhancement Control Cabinet Module 1 , i . e . facing to the front side of the control cabinet 13 and acces sible to a user of the control cabinet 13 .

The Function Enhancement Control Cabinet Module 1 further comprises in the illustrated embodiment of Fig . 1 a control interface 4 for connection of the Function Enhancement Con- trol Cabinet Module 1 to a control cabinet controller 17 of the respective control cabinet 13 as also shown in Fig . 7 .

The Function Enhancement Control Cabinet Module 1 according to the present invention comprises further in a pos sible em- bodiment a user visualization interface 5 as shown in Fig . 1 adapted to provide output information to a user and/or to re- ceive user input commands from a user of the control cabinet 13 .

As can be seen in the block diagram of Fig . 1 , the dif ferent interfaces of the Function Enhancement Control Cabinet Module 1 , i . e . the energy interface 2 , the application device inter- face 3 , the control interface 4 and the user visualization interface 5 are connected to an internal electronic circuitry provided on a printed circuit board PCB of the Function En- hancement Control Cabinet Module 1 . This printed circuit board PCB is either integrated and unreplaceable mounted within the housing of the Function Enhancement Cont rol Cabi- net Module 1 or can be replaced by a substitute printed cir- cuit board PCB as illustrated in Fig . 25 .

The internal circuitry of the Function Enhancement Control Cabinet Module 1 comprises at least one measurement unit 6 provided between the energy interface 2 and the application device interface 3 to provide measurement data MDATA for a data proces sing unit 7 of the Function Enhancement Control Cabinet Module 1 . The data proces sing unit 7 is galvanically isolated from the measurement unit 6 . The data processing unit 7 is further adapted to exchange control information and data via the control cabinet controller 17 of the control cabinet 13 connected to the control interface 4 of the Func- tion Enhancement Control Cabinet Module 1 .

The control cabinet controller or control device 17 can for instance comprise a PLC or PC system . In a pos sible implemen- tation, also auxiliary energy can be supplied to the internal circuitry mounted on a printed circuit board PCB of the Func- tion Enhancement Control Cabinet Module 1 via the control in- terface 4 . The energy interface 2 can be connected to an in- ternal power distribution system 14 of the control cabinet 13 .

Fig . 2 shows schematically dif ferent connection or assembly systems which can be used for connection of the Function En- hancement Control Cabinet Module 1 . In a preferred embodi- ment , the energy interface 2 is provided at a rear side of a housing of the Function Enhancement Control Cabinet Module 1 . On the opposite front side of the Function Enhancement Con- trol Cabinet Module 1 at least one application device inter- face 3 is provided and acces sible by a user U for mounting at least one application device 15 to the front side of the housing of the Function Enhancement Control Cabinet Module 1 . The Function Enhancement Control Cabinet Module 1 i s mounted on a mounting plat form of the control cabinet 13 . The mount- ing plat form can comprise a mounting plate or a mounting sup- port bar system . The rear side of the housing of the Function Enhancement Control Cabinet Module 1 can be mounted, for in- stance , on a mounting rail such as a DIN rail and receive electrical power from the local power distribution system 14 via terminals of the energy interface 2 . In an alternative embodiment , the energy interface 2 comprises contact s which can be plugged into corresponding slot s of busbars 30 of a busbar power supply or power distribution system 14 of the control cabinet 13 as also shown in Fig . 18B . These busbars 30 are in a preferred embodiment touch-protected and can be integrated in a pos sible implementation in an elongated iso- lated busbar board . In a further alternative implementation, the electrical contact s of the energy interface 2 can also be snapped or clipped by means of hooking element s 39 behind conventional busbars 30 of a power supply busbar system 14 comprising mas sive busbars as also illustrated in Fig . 18A . Any other application-specific connector system for mounting the housing of the Function Enhancement Control Cabinet Mod- ule 1 to the mounting plat form of the control cabinet 13 can be used as well .

Also, on the front side of the housing of the Funct ion En- hancement Control Cabinet Module 1 , there can be di f ferent ways to connect an application device 15 to the application device interface 3 of the Function Enhancement Cont rol Cabi- net Module 1 . For instance , the application device interface 3 can comprise internal busbars 31 having slot s 32 for re- ceiving protruding electrical contact s 33 of application de- vices 15 connected to the respective contact s of the applica- tion device interface 3 as also illustrated in Fig . 13 and Fig . 14 . Further, at the front side of the housing of the Function Enhancement Control Cabinet Module 1 , also mounting rails 43 can be provided to connect application devices 15 to the front face of the housing of the Function Enhancement Control Cabinet Module 1 and connecting them electrically via conventional wires to the application device interface 3 as also shown in Fig . 1 9 . Other application-specific connector systems for mounting and connecting the application devices 15 to the at least one application device interface 3 of the Function Enhancement Control Cabinet Module 1 can be used as well . The provision of dif ferent connector systems for con- necting the Function Enhancement Control Cabinet Module 1 to the power distribution system 14 of the control cabinet 13 increases the flexibility of using the Function Enhancement Control Cabinet Module 1 according to the present invention . Further, the dif ferent application-specific connector systems provided at the front side of the housing of the Function En- hancement Control Cabinet Module 1 used for connect ing dif- ferent kinds of application devices 15 to the application de- vice interface 3 provides additional flexibility and allows the use of a wide variety of dif ferent kinds of application devices 15 for connection to the Function Enhancement Control Cabinet Module 1 according to the present invention . The en- ergy interface 2 and the application device interface 3 are provided on opposite sides of the housing of the Function En- hancement Control Cabinet Module 1 . The energy interface 2 and the application device interface 3 are connected via a bidirectional internal power supply path PSP as also illus- trated schematically in Fig . 4 . The internal bidirectional power supply path PSP is provided between the energy interface 3 at the rear side of the hous- ing of the Function Enhancement Control Cabinet Module 1 and the application device interface 3 at the opposite front side of the housing of the Function Enhancement Control Cabinet Module 1 . The internal bidirectional power supply path PSP is adapted to feed electrical power from the power distribution system 14 connected to the energy interface 2 provided at the rear side of the housing of the Function Enhancement Control Cabinet Module 1 in a forward power supply direction through the application device 15 to a load device 21A connected to the application device interface 3 provided at the front side of the housing of the Function Enhancement Control Cabinet Module 1 as shown in Fig . 20A . The bidirectional internal power supply path PSP is further adapted to feed electrical power in a reverse power supply direction from a power gener- ation device 21B through the application device 15 connected to the application device interface 3 provided at the front side of the housing of the Function Enhancement Control Cabi- net Module 1 back to the power distribution system 14 of the control cabinet 13 connected to the energy interface 2 pro- vided at the rear side of the housing of the Function En- hancement Control Cabinet Module 1 as shown in Fig . 20B . Ac- cordingly, the energy interface 2 and the application device interface 3 provide no predefined power supply flow direc- tion .

The application device interface 3 is adapted to provide electrical connection to dif ferent kinds of application de- vices 15 or application device adapters . For instance, the application device 15 connected to the application device in- terface 3 can comprise a motor controller, a load switch or a fuse holder . The application device 15 connected to the ap- plication device interface 3 can also comprise for instance a power feeding element , a frequency inverter or a contactor device . The application device 15 connected to the applica- tion device interface 3 can also comprise a power supply con- trol apparatus and/or a power supply protection apparatus providing protection to an electrical load device 21A con- nected to the application device 15 . For instance , an induc- tive load 21A such as an electrical motor can be connected to an application device 15 being in turn connected to the ap- plication device interface 3 on the front side of the housing of the Function Enhancement Control Cabinet Module 1 . The mo- tor controller or motor starter forming an applicat ion device 15 can be used to control the power supply to the motor load device 21A connected to the application device 15 . The Func- tion Enhancement Control Cabinet Module 1 as shown in the block diagram of Fig . 1 is provided to generate measurement data MDATA to draw conclusions about the operation state of the application device 15 such as the motor controller and/or about the operation state of the load device 21A, i . e . the electrical motor drawing a power supply from the motor con- troller through the power supply path PSP of the Function En- hancement Control Cabinet Module 1 .

In most use cases , the electrical power supply flows in for- ward power supply direction from the internal power distribu- tion system 14 of the control cabinet 13 through the energy interface 2 , the internal power supply path PSP , the applica- tion device interface 3 , through the application device 15 into the power-consuming load device 21A connected to the ap- plication device 15 as shown in Fig . 20A . In some use cases , the application device 15 can also be connected to power- generating devices 21B such as batteries which are adapted to provide electrical power which can be transported in reverse power supply direction from the power source device 21B through the application device 15 and the application device interface 3 via the power supply path PSP of the Function En- hancement Control Cabinet Module 1 and via the energy inter- face 2 back into the power distribution system 14 of the con- trol cabinet 13 as illustrated in Fig . 20B . The power gener- ating device 21B can also comprise an AC current generator or another kind of AC power supply feed-in device being e . g . connected to an AC power supply grid .

In a preferred embodiment , the Function Enhancement Control Cabinet Module 1 also comprises means to switch between a forward power supply direction shown in Fig . 20A and a reverse power supply direction shown in Fig . 20B, for instance depend- ing on the type of the electrical load device 21A or source device 21B connected to the application device 15 mounted to the application device interface 3 on the front side of the housing of the Function Enhancement Control Cabinet Module 1 .

In a pos sible embodiment , switching between the forward power supply direction and the reverse power supply direction can be performed by switches under control of a microcontroller 23 integrated in the data proces sing unit 7 of the Function Enhancement Control Cabinet Module 1 .

In a pos sible embodiment , an energy flow in the forward power supply direction and in the reverse power supply direction can be monitored under control of a microcontroller 23 inte- grated in the data proces sing unit 7 of the Function Enhance- ment Control Cabinet Module 1 . For instance in a building with renewable power sources such as photovoltaic modules connected through inverters to a local power supply grid or having motors with reverse power feeding capabilities or gen- erators the energy flow , in particular it s energy flow di- rection, can change continuously . A change of the energy flow can be observed by sensors of the Function Enhancement Con- trol Cabinet Module 1 and notified to a user .

In a pos sible implementation, the user visualization inter- face 5 can comprise display means to display whether electri- cal power is flowing in the forward power supply direction as shown in Fig . 20A or is flowing in the reverse power supply direction as shown in Fig . 20B through the power supply path PSP of the Function Enhancement Control Cabinet Module 1 .

The measurement unit 6 as illustrated in Fig . 1 and included in the housing of the Function Enhancement Control Cabinet Module 1 can comprise at least one sensor element 9 . In a pos sible embodiment , the measurement unit 6 comprises a cur- rent sensor 9A adapted to measure an electrical current I flowing through the power supply path PSP and at least one voltage sensor 9B adapted to measure an electrical voltage V at the energy interface 2 provided at the rear side of the housing of the Function Enhancement Control Cabinet Module 1 and/or to measure an electrical voltage V at the application device interface 3 provided at the front side of the housing of the Function Enhancement Control Cabinet Module 1 . In a pos sible implementation, the Function Enhancement Control Cabinet Module 1 may also comprise at least one temperature sensor 28A ( shown in Fig . 8 ) adapted to measure a temperature T inside the housing of the Function Enhancement Control Cab- inet Module 1 and to provide the galvanically isolated data proces sing unit 7 of the Function Enhancement Control Cabinet Module 1 with corresponding measurement data T-MDATA . The measurement data MDATA received from the dif ferent sensors 9A, 9B, 28A of the measurement unit 6 can be stored in a memory 11 of the data proces sing unit 7 at least temporarily .

An application device operation state of the at least one ap- plication device 15 connected to the application device in- terface 3 provided at the front side of the housing of the Function Enhancement Control Cabinet Module 1 and/or an oper- ation state of a load device 21A or a power source 21B con- nected to the application device 15 can be determined in a pos sible embodiment by the data proces sing unit 7 of the Function Enhancement Control Cabinet Module 1 by performing an evaluation of the stored measurement data MDATA received by the data proces sing unit 7 from the as sociated measurement unit 6 of the Function Enhancement Control Cabinet Module 1 . In a pos sible embodiment , the application device operation state and/or the operation state of the load device 21A or power source 21B can be notified to the data proces sing unit 7 of the Function Enhancement Control Cabinet Module 1 through a communication link by a control entity 15A of the application device 15 connected to the application device in- terface 3 of the Function Enhancement Control Cabinet Module 1 . Further, a power supply state of the power distribution system 14 of the control cabinet 13 being connected to the energy interface 2 provided at the rear side of the housing of the Function Enhancement Control Cabinet Module 1 can be determined in real time through evaluation and analysis of the measurement data MDATA received by the data proces sing unit 7 of the Function Enhancement Control Cabinet Module 1 from the measurement unit 6 of the respective Funct ion En- hancement Control Cabinet Module 1 .

The Function Enhancement Control Cabinet Module 1 as illus- trated in the block diagram of Fig . 1 comprises in a pos sible embodiment a user visualization interface 5 adapted to pro- vide output information to a user U of the control cabinet 13 or to receive user input commands from a user U of the con- trol cabinet 13 . The user visualization interface 5 is in a preferred embodiment a touch sensitive graphical user inter- face ( GUI ) . The touch sensitive user visualization interface 5 is connected as illustrated in Fig . 1 to the data pro- ces sing unit 7 of the Function Enhancement Control Cabinet Module 1 and is further adapted to display an application de- vice operation state , in particular an operation failure state , of at least one application device 15 connected to the application device interface 3 provided at the front side of the housing of the Function Enhancement Control Cabinet Mod- ule 1 . The touch sensitive user visualization interface 5 is further adapted to display a momentary internal operation state of the FECCM 1 . The internal FECCM operation state com- prises for example internal operation voltages or operation temperatures or the state of communication connections . The touch sensitive user visualization interface 5 is further adapted to display a momentary power supply state of the pow- er distribution system 14 of the control cabinet 13 connected to the energy interface 2 provided at the rear side of the housing of the Function Enhancement Control Cabinet Module 1 . The touch sensitive user visualization interface 5 is further adapted to receive user input commands of a user U of the control cabinet 13 touching with his finger on a touch sensi- tive layer of the user visualization interface 5 .

The user visualization interface 5 can comprise in a pos sible embodiment also a camera or an optical sensitive element to observe the immediate surrounding of the Function Enhancement Control Cabinet Module 1 mounted on the mounting platform of the control cabinet 13 . This camera is provided in a pos sible embodiment on the front side of the housing of the Function Enhancement Control Cabinet Module 1 . The camera can be inte- grated in a display unit of the user visualization interface 5 . The camera of the user visualization interface 5 can be adapted to generate pictures if tis surrounding in a visible frequency range or in a not visible frequency range , in par- ticular the infrared frequency range . The camera pictures can be proces sed to detect specific event s within the control cabinet 13 such as light arcs or to locate heat sources with- in the control cabinet 13 .

The user visualization interface 5 can comprise in a pos sible implementation an OLED display layer . The user visualization interface 5 can comprise in a pos sible implementation further a microphone to receive acoustic commands from a user U . The user visualization interface 5 can comprise a foldable dis- play including an OLED display layer . By unfolding this dis- play the available display area is increased allowing to dis- play more and more complex information to user with a higher resolution .

In a pos sible embodiment the user virtualization interface 5 is removable as an entity from the housing of the Function Enhancement Control Cabinet Module 1 . In a preferred imple- mentation the user visualization interface 5 remains opera- tive after removal from the housing of the Function Enhance- ment Control Cabinet Module 1 at least within a predetermined transmis sion range . After removal of the user visualization interface 5 a data exchange between the user visualization interface 5 and the data proces sing unit 7 can be performed via a wireles s data link . A power supply of the removed user visualization interface 5 can be provided by a battery inte- grated in the user visualization interface 5 . In a still further embodiment GUI s of several neighboring ap- plication devices 15 mounted on one or more neighboring Func- tion Enhancement Control Cabinet Modules 1 are swit ched auto- matically together by the Function Enhancement Cont rol Cabi- net Module 1 or by the control cabinet controller 17 to pro- vide a common virtual display unit with an increased display area in response to an input user command or depending on the kind of information to be displayed . With the enlarged dis- play area of the virtual display unit it is pos sible to dis- play more complex information such as repair instructions , circuit diagrams , component list s of internal component s of the respective application devices and their load devices 21A or power source devices 21B to a user . The enlarged display area of the virtual display unit allows also to display in- formation with a higher resolution .

In a pos sible embodiment , the Function Enhancement Control Cabinet Module 1 as illustrated in Fig . 1 comprises a data proces sing unit 7 which is adapted to identify a type of the at least one application device 15 connected to the applica- tion device interface 3 at the front side of the housing of the Function Enhancement Control Cabinet Module 1 . In a pos- sible embodiment , the data proces sing unit 7 is further adapted to identify or determine a type of a load device 21A connected to the application device 15 . The identif ication of the type of the application device 15 and/or of the load de- vice 21A or power source device 21B is performed in a pre- ferred embodiment by proces sing a stored current profile and voltage profile read from a data memory 11 of the data pro- ces sing unit 7 . The identification of the type of the appli- cation device 15 and/or it s load device 21A or it s power source device 21B can also be performed in a pos sible embodi- ment based on application device identification data received by the Function Enhancement Control Cabinet Module 1 from a control entity 15A of the connected application device 15 .

The Function Enhancement Control Cabinet Module 1 can receive in a pos sible implementation the application device identifi- cation data of the application device 15 via a wired applica- tion device control interface or via a wireles s application device control interface . The wireles s application device control interface 22 shown in Fig . 8 can comprise an RFID in- terface , a Near Field Communication interface , a WiFi inter- face or a Bluetooth interface . In this way, the microcontrol- ler 23 of the data proces sing unit 7 can become aware which type of application device 15 is connected to the application device interface 3 . Further, the controller 23 of the data proces sing unit 7 can determine what type of load device 21A or power source device 21B is connected to the application device 15 connected to the application device interface 3 .

For instance , the controller 23 of the data proces s ing unit 7 can determine whether a resistive load device 21A, an induc- tive load device 21A or a capacitive load device 21A is con- nected to the application device interface 3 through the ap- plication device 15 or adapter . Further, it can for instance be determined by the microcontroller 23 whether the power source device 21B is an AC power source or a DC power source and how much power is generated by the power source device 21B .

In a pos sible embodiment of the Function Enhancement Control Cabinet Module 1 , device operation boundary data and/or de- vice characteristics stored in a configuration memory 15B of the application device 15 connected to the applicat ion device interface 3 can be transmitted via a communication channel of the wired or wireles s application device control interface 22 to the data proces sing unit 7 of the Function Enhancement Control Cabinet Module 1 as shown in Fig . 8 . These device op- eration boundary data or limit data can comprise in a pos si- ble embodiment a maximum and/or a minimum admis sible supply current of the application device 15 , a maximum and/or mini- mum admis sible supply voltage of the application device 15 or its load device 21A, a maximum and/or minimum admis sible op- eration temperature of the application device 15 , an allowa- ble I ²t value and/or a maximum switching frequency of the connected application device 15 or load device 21A .

In a pos sible embodiment of the Function Enhancement Control Cabinet Module 1 , the data proces sing unit 7 of the Function Enhancement Control Cabinet Module 1 is adapted to perform automatically a pre-conf iguration of pos sible funct ions of the connected application device 15 on the basis of the ap- plication device identification data and/or on the basis of the device operation boundary data and/or on the basis of the device characteristics received by the data proces s ing unit 7 via the wired or wireles s application device control inter- face 22 illustrated in Fig . 8 .

In a further pos sible embodiment of the Function Enhancement Control Cabinet Module 1 according to the first aspect of the present invention required functions of the Function Enhance- ment Control Cabinet Module 1 can be pre-configured or re- configured automatically depending on a detected type of the application device 15 or it s load devices 21A or it s power source devices 21 B or depending on an input type of the ap- plication device 15 input by a user by means of the user in- terface . These configurable functions may comprise for in- stance matching algorithms such as a current monitoring algo- rithm for current monitoring or for coupling of auxiliary output s to current threshold values voltage , threshold values or to temperature threshold values . The algorithm or function does match the type of the application device 15 and/or it s load or source devices . The functional algorithm can be load- ed through the control interface 4 from a database or func- tion library or can be loaded from a local memory into the microcontroller 23 of the data proces sing unit 7 .

The power distribution system 14 of the control cabinet 13 comprises in a pos sible embodiment an internal AC power dis- tribution system 14 having at least one AC power supply phase L applied to a corresponding electrical contact of the energy interface 2 provided at the rear side of the housing of the Function Enhancement Control Cabinet Module 1 connected to the AC power distribution system 14 of the control cabinet 13 . In an alternative embodiment , the power distribution sys- tem 14 of the control cabinet 13 can also comprise a DC power distribution system .

In a pos sible embodiment of the Function Enhancement Control Cabinet Module 1 as illustrated in Fig . 1 , the data pro- ces sing unit 7 included in the housing of the Funct ion En- hancement Control Cabinet Module 1 and/or an external control cabinet controller 17 of the control cabinet 13 connected through the control interface 4 of the Function Enhancement Control Cabinet Module 1 can be adapted to proces s the meas- urement data MDATA stored in the data memory 11 of the data proces sing unit 7 , application device identification data stored in the data memory 11 of the data proces sing unit 7 and/or the available device operation boundary data of the application device 15 connected to the application device in- terface 3 of the Function Enhancement Control Cabinet Module 1 and loaded in the data memory 11 of the data processing unit 7 in real time .

In a pos sible implementation of the Function Enhancement Con- trol Cabinet Module 1 according to the first aspect of the present invention, the stored device operation boundary data loaded into the data memory 11 comprises a maximum and mini- mum admis sible supply current , a maximum and minimum admis si- ble supply voltage , a maximum and minimum admis sible opera- tion temperature , an I ²t value and/or a maximum switching frequency of the connected application device 15 .

By proces sing the available measurement data MDATA, the ap- plication device identification data and the device operation boundary data, a proces sor or controller 23 of the data pro- ces sing unit 7 can optimize an electrical power supply to the application device 15 connected to the application device in- terface 3 . Further, by proces sing the available data, the controller 23 of the data proces sing unit 7 can provide in a pos sible implementation an ef fective overcurrent protection or overload protection of the application device 15 connected to the application device interface 3 . The microcontroller 23 of the data proces sing unit 7 can further provide in a pos si- ble implementation also an overcurrent protection and/or an overload protection of any load device 21A connected to the application device 15 on the basis of the available measure- ment data MDATA, the available application device identifica- tion data and/or on the basis of the available device opera- tion boundary data stored in the data memory 11 of the data proces sing unit 7 . In a pos sible embodiment , the microcon- troller 23 of the data proces sing unit 7 can further be adapted to control in real time an operation state of the connected application device 15 and/or to control an opera- tion state of a load device 21A or power source device 21B connected to the application device 15 on the basis of the available measurement data, the available device operation boundary data and/or the application device identif ication data stored in the data memory 11 of the data proce s sing unit 7 .

The measurement data, the application device identi fication data and the device operation boundary data can be recorded and stored in a pos sible embodiment continuously or event- driven in a local non-volatile data memory 11 of the data proces sing unit 7 of the Function Enhancement Control Cabinet Module 1 . The proces sor 12 of the data proces sing unit 7 is adapted to evaluate the stored measurement data, the stored application device identification data and the stored device operation state of the application device 15 connected to the application device interface 3 provided at the front side of the housing of the Function Enhancement Control Cabinet Mod- ule 1 to detect or predict a failure of the connected appli- cation device 15 . In a pos sible embodiment , the detected or predicted failure is notified to the internal microcontroller 23 or FPGA of the data proces sing unit 7 or to an external control cabinet controller 17 of the control cabinet 13 con- nected to the control interface 4 of the Function Enhancement Control Cabinet Module 1 to trigger corresponding counter- measures to overcome the failure of the application device 15 or it s load device 21 .

In a pos sible implementation, the external control cabinet controller 17 connected to the control interface 4 of the Function Enhancement Control Cabinet Module 1 is adapted to trigger automatically a repair or a maintenance act ion or a troubleshooting action to addres s the notified failure of the application device 15 connected to the application device in- terface 3 .

The acquisition of the measurement data MDATA and the acqui- sition of the application device identification data and/or the acquisition of the device operation boundary data can be triggered and controlled in a pos sible embodiment by a con- trol entity 15A of the application device 15 connected to the application device interface 3 as shown in Fig . 7 . In an al- ternative embodiment , the acquisition of the measurement da- ta, the acquisition of the application device ident ification data and/or the acquisition of the device operation boundary data can be triggered and controlled by a microcont roller 23 or FPGA integrated in the data proces sing unit 7 provided in the internal circuitry of the Function Enhancement Control Cabinet Module 1 shown in Fig . 8 . In a still further alterna- tive embodiment , the acquisition of the measurement data, the acquisition of the application device identification data and/or the acquisition of the device operation boundary data can be triggered and controlled by the external control cabi- net controller 17 of the control cabinet 13 connected to the control interface 4 of the Function Enhancement Control Cabi- net Module 1 shown in Fig . 7 . The control of the acquisition of measurement data MDATA can involve the adjustment of the sampling rate SR of the ADCs 10 as well as control of a pre- proces sing of the sampled measurement raw data by prepro- ces sing entities comprising digital filters of the data pro- ces sing unit 7 .

The acquired measurement data MDATA stored in the local non- volatile data memory 11 of the data proces sing unit 7 is evaluated in a pos sible embodiment by a proces sor 12 of the data proces sing unit 7 of the Function Enhancement Control Cabinet Module 1 to determine specific data patterns repre- senting as sociated application device operation states of the at least one application device 15 connected to the applica- tion device interface 3 and/or representing as sociated power supply states of the power distribution system 14 of the con- trol cabinet 13 connected to the energy interface 2 of the Function Enhancement Control Cabinet Module 1 .

The data proces sing unit 7 shown in Fig . 1 can include in a pos sible implementation a trained artificial neural network ANN adapted to recognize automatically application device op- eration states of the application device 15 connected to the application device interface 3 provided at the front side of the housing of the Function Enhancement Control Cabinet Mod- ule 1 . The trained artificial neural network ANN provided in the data proces sing unit 7 of the Function Enhancement Con- trol Cabinet Module 1 can be further adapted to recognize power supply operation states of the power distribution sys- tem 14 of the control cabinet 13 connected to the energy in- terface 2 provided at the rear side of the housing of the Function Enhancement Control Cabinet Module 1 . The automatic recognition of the application device operation states and of the power supply operation states are performed by one or more integrated artificial neural network ANN implemented in associated proces sors 12 of the data proces sing unit 7 on the basis of measurement data MDATA received by the respective artificial neural network ANN of the data proces sing unit 7 from the galvanically isolated measurement unit 6 of the Function Enhancement Control Cabinet Module 1 or read from the local non-volatile data memory 11 of the data proces sing unit 7 . The measurement data MDATA is applied to an input layer of the trained artificial neural network ANN of the da- ta proces sing unit 7 to provide automatically a clas sifica- tion result output by an output layer of the trained artifi- cial neural network ANN to a microcontroller 23 or to an FPGA of the data proces sing unit 7 . Depending on the clas sifica- tion result s , the microcontroller 23 or FPGA of the data pro- ces sing unit 7 can initiate operations depending on the rec- ognized application device operation state of the application device 15 and/or depending on the recognized power supply op- eration state of the power distribution system 14 . The arti- ficial neural network ANN can also be integrated in the con- trol cabinet controller 17 or in the central control unit 20 shown in Fig . 9 .

The data proces sing unit 7 of the Function Enhancement Con- trol Cabinet Module 1 as shown in Fig . 1 is adapted in a pos- sible embodiment to communicate with the external control cabinet controller 17 connected to the control interface 4 of the Function Enhancement Control Cabinet Module 1 by means of a predefined data trans fer protocol including a field bus da- ta trans fer protocol or an Ethernet-based data trans fer pro- tocol . Field bus protocols can comprise an I /O link or a Mod- bus TCP protocol . The field bus can be connected directly to a PLC or through a repeater or router . The measurement data MDATA can be encapsulated as payload in data packet s supplied by the data proces sing unit 7 to the cabinet controller 17 . The header of each data packet comprises a unique identifier (FMCCI-ID ) of the Function Enhancement Control Cabinet Module 1 as a data source addres s . The FMCCI-ID is in a preferred embodiment unique within the automation system and can be as- signed during a setup of the automation system .

The application device 15 connected to the application de- vice interface 3 provided at the front side of the housing of the Function Enhancement Control Cabinet Module 1 as illus- trated schematically in Fig . 1 can comprise in a pos sible em- bodiment a switchable or non-switchable load connector for a load device 21A . Further, the application device 15 connected to the application device interface 3 may also comprise in a pos sible embodiment a meltable or an electronic-controlled fuse element .

In a pos sible embodiment , the energy interface 2 provided at the rear side of the housing of the Function Enhancement Con- trol Cabinet Module 1 can comprise several electrical con- tact s for AC power supply phases L of a multiphase power dis- tribution system 14 . Also, the application device interface 3 provided at the front side of the housing of the Function En- hancement Control Cabinet Module 1 can comprise several elec- trical contact s for dif ferent AC power supply phase s L of a multiphase application device 15 connectable to the applica- tion device interface 3 provided at the front side of the housing of the Function Enhancement Control Cabinet Module 1 .

The at least one data proces sor 12 of the data processing unit 7 as shown in Figs . 4 , 8 is adapted to calculate in a pos sible embodiment a phase relationship between di f ferent electrical AC power supply phases L supplied via the bidirec- tional internal power supply paths PSP s of the Function En- hancement Control Cabinet Module 1 to the load devices 21A of the application device 15 . The proces sor 12 can be further adapted to determine automatically a frequency f of the elec- trical AC power supply phases L of an AC power dist ribution system 14 based on the measurement data MDATA received by the data proces sing unit 7 from the measurement unit 6 of the Function Enhancement Control Cabinet Module 1 . For instance , the proces sor 12 can determine whether the frequency f of the electrical AC power supply phases L comprises 50 Hz or 60 Hz . It is further determined in a pos sible embodiment by the data proces sing unit 7 whether the observed frequency f of the AC power distribution system 14 is in an admis sible frequency range for operation of connected load devices 21A . Further in a pos sible embodiment the data proces sing unit 7 is adapted to perform an automatic compatibility check whether the con- nected load devices 21A connected via the adapter device 15 and the respective sandwiched Function Enhancement Control Cabinet Module 1 to the power distribution system 14 are com- patible with the observed operation frequency f of the local power distribution system 14 of the control cabinet 13 . In case that the connected load device 21A is not compatible this can be displayed to a user U through the user visualiza- tion interface 5 and the load device 21A can be automatically disconnected by a switch under control of the microcontroller 23 of the data proces sing unit 7 . I f a local power generation device 21B is available a frequency deviation of the observed frequency f from a set frequency can be compensated locally .

In a further pos sible embodiment , the proces sor 12 of the da- ta proces sing unit 7 is further adapted to calculate automat- ically a real power, a reactive power and/or an apparent pow- er for each phase L of the multiphase electrical AC power supply system . Further, the proces sor 12 can calculate in a pos sible implementation also a summed real , reactive and ap- parent power value for the multiphase power distribution sys- tem 14 . The proces sor 12 does accumulate energy values relat- ed to single phases or related to multiple phases of a multi- phase power distribution system 14 of the control cabinet 13 . The calculation of the phase relationship and/or of the power and energy values are performed by execution of a programma- ble calculation algorithm stored in a program memory acces si- ble by the proces sor 12 of the data proces sing unit 7 . The program can be loaded in a pos sible embodiment through the control interface 4 of the Function Enhancement Control Cabi- net Module 1 from a server or central control unit 20 of the automation system shown in Fig . 9 .

In a pos sible embodiment of the Function Enhancement Control Cabinet Module 1 as illustrated in the block diagram of Fig . 1 , the measurement unit 6 of the Function Enhancement Control Cabinet Module 1 can be integrated in a measurement submodule connected via an internal data and control inter- face 8 to the data proces sing unit 7 of the Function Enhance- ment Control Cabinet Module 1 integrated in a separate data proces sing submodule as illustrated in Fig . 3 . Both submod- ules form the internal circuitry of the Function Enhancement Control Cabinet Module 1 . For this purpose , the measurement submodule 6 is connectable to the data proces sing submodule 7 via an internal data and control interface 8 to provide the Function Enhancement Control Cabinet Module 1 . This is also illustrated in Fig . 3 . As can be seen in Fig . 3 , the measure- ment submodule 6 is connected to the data proces sing submod- ule 7 via an internal data and control interface 8 . The meas- urement submodule 6 comprises the energy interface 2 and on the opposite side the application device interface 3 . The other submodule , i . e . the data proces sing submodule 7 com- prises the other two interfaces , i . e . the control interface 4 and the user visualization interface 5 . The internal data and control interface 8 is adapted to provide galvanic isolation between the measurement submodule 6 and the data proces sing submodule 7 . The measurement submodule 6 includes the energy input interface 7 and the application device interface 3 as well as the measurement unit 6 where voltage , current and temperature sensing is performed . The measurement submodule 6 is formed such that it provides for minimum dis sipation and requires a minimum space within the control cabinet 13 .

The data proces sing submodule 7 comprises the control inter- face 4 and the user visualization interface 5 . The data pro- ces sing unit 7 can be optimized to meet user demands like comprehensive visualization and flexible connectivity . In the embodiment illustrated in Fig . 3 , the power carrying inter- faces 2 , 3 are separated from the control interface 4 and the user visualization interface 5 to optimize both component s or part s independently depending on the respective use case . Further, dif ferent kinds of measurement submodules 6 and data proces sing modules 7 can be combined with each other through the galvanically isolated control and power interface 8 to meet requirement s of dif ferent use cases . For instance , meas- urement submodules 6 with dif ferent kinds of measurement sen- sors or sensor element s can be combined with dif ferent kinds of data proces sing submodules 7 providing dif ferent levels of calculation and data analyzing capabilities or memory capaci- ties . In a pos sible embodiment , the data proces sing submodule 7 is plugged into the measurement submodule 6 to form a Func- tion Enhancement Control Cabinet Module 1 . In this embodi- ment , the measurement submodule 6 is integrated in its own submodule housing . In the same manner, the data proces sing submodule 7 also comprises it s own housing . By plugging the measurement submodule 6 into the data proces sing submodule 7 , the complete Function Enhancement Control Cabinet Module 1 is formed and can be mounted to the mounting plat form of the control cabinet 13 .

Fig . 4 shows a further block diagram for illustrating a pos- sible exemplary embodiment of the Function Enhancement Con- trol Cabinet Module 1 according to the first aspect of the present invention . As can be seen in Fig . 4 , the measurement unit 6 provided between the energy interface 2 and the appli- cation device interface 3 comprises a sensor 9 connected to an as sociated analog to digital converter 10 . The analog to digital converter 10 provides measurement data MDATA to a da- ta memory 11 of the data proces sing unit 7 . The data pro- ces sing unit 7 further comprises in the illustrated embodi- ment of Fig . 4 a proces sor 12 adapted to proces s the data stored in the data memory 11 of the data proces sing unit 7 . The data memory 11 can be used to store measurement data MDATA received from the analog to digital converter 10 . The data memory 11 can also store additional data including de- vice operation boundary data or device characterist ics re- ceived from a configuration memory 15B of the application de- vice 15 connected to the application device interface 3 . The data memory 11 can also be used to store application device identification data . The proces sor 12 of the data proces sing unit 7 can proces s the measurement data MDATA stored in the data memory 11 to calculate a phase relationship between dif- ferent electrical AC power supply phases L ( LI , L2 , L3 ) sup- plied via an internal power supply path PSP of the Function Enhancement Control Cabinet Module 1 and/or to determine a frequency of the electrical AC power supply phases L . Fur- ther, the proces sor 12 can calculate a real power, a reactive power and/or an apparent power for each phase L of the multi- phase AC power supply system . The proces sor 12 can also cal- culate a summed up real , reactive and apparent power values of a multiphase AC power distribution system and/or accumu- late energy values related to single phases or related to multiple phases of the multiphase power distribution system . The data proces sing unit 7 can also be adapted to control functions of the application device 15 connected to the ap- plication device interface 3 provided at the front side of the housing of the Function Enhancement Control Cabinet Mod- ule 1 via a separate application device control interface 22 also provided at the front side of the housing of the Func- tion Enhancement Control Cabinet Module 1 as also illustrated in Fig . 8 .

In a pos sible embodiment , the measurement data MDATA stored in the memory 11 of the data proces sing unit 7 can be for- warded to the external control cabinet controller 17 connect- ed to the control interface 4 of the Function Enhancement Control Cabinet Module 1 along with a unique identi fier (FECCM-ID ) of the Function Enhancement Control Cabinet Module 1 for further proces sing . The transmis sion of the measurement data MDATA can be performed according to the applied data trans fer protocol . Also, failure mes sages indicating a fail- ure of the Function Enhancement Control Cabinet Module 1 and/or a failure of an application device 15 connected to the application device interface 3 or a connected load device 21 can be forwarded to the external control cabinet controller 17 connected to the control interface 4 along with the unique identifier of the Function Enhancement Control Cabinet Module 1 for further data evaluation . Also, information indicating a mounting position of the af fected Function Enhancement Con- trol Cabinet Module 1 can be forwarded through the control interface 4 to the control cabinet controller 17 and be taken into account for performing the neces sary counter actions . The control cabinet controller 17 of the control cabinet 13 is adapted to compare the measurement data MDATA received by the control cabinet controller 17 via the dif ferent control interfaces 4 from the dif ferent Function Enhancement Control Cabinet Modules 1 mounted in the control cabinet 13 to iden- tify a deviating operation behavior of an af fected Function Enhancement Control Cabinet Module 1 . In case that the Func- tion Enhancement Control Cabinet Module 1 shows a s ignifi- cantly deviating operation behavior to other Function En- hancement Control Cabinet Modules 1 , an data analyz ing rou- tine can be triggered to determine what kind of failures have occurred in the af fected Function Enhancement Control Cabinet Module 1 .

The measurement unit 6 of the Function Enhancement Control Cabinet Module 1 can comprise dif ferent kinds of sensor ele- ment s to generate sensor signals which are converted into measurement data MDATA . In a pos sible embodiment , the meas- urement unit 6 comprises at least one current sensor 9A adapted to measure an electrical current I flowing through the power supply path PSP of the Function Enhancement Control Cabinet Module 1 . The current sensor 9A of the measurement unit 6 is adapted to measure the electrical current I flowing through the internal power supply path PSP and can comprise at least one shunt resistor as illustrated in Fig . 5A, a cur- rent trans former or a Rogowski coil as illustrated in Fig . 5B or a Hall sensor as illustrated in Fig . 5C . The sensor signal generated by the current sensor 9A can be sampled with a sam- pling rate SR and converted by an analog to digital converter 10A of the measurement unit 6 to generate current measurement data I-MDATA, supplied by the measurement unit 6 to the data proces sing unit 7 of the Function Enhancement Control Cabinet Module 1 and stored in a local non-volatile data memory 11 of the data proces sing unit 7 as a current profile I-PROFILE .

The current profile I-PROFILE comprises a number of current samples stored in the data memory 11 of the data proces sing unit 7 . Current sensing as illustrated in Fig . 5A i s limited in terms of power dis sipation but allows also a DC current to be sensed . Further, the sensing principle illustrated in Fig . 5A is not sensitive to magnetic fields nearby the current sensor element . Furthermore , the integration of a shunt re- sistor R as illustrated in Fig . 5A to the electromechanical internal structure of the Function Enhancement Cont rol Cabi- net Module 1 allows for a space saving design . For instance , a stack of four shunt sensors R of the measurement unit 6 in- tegrated in a cros s link interface of an electromechanical building block is illustrated in Fig . 14 . In the implementa- tion shown in Fig . 14 , the lower side of the electromechani- cal building block forms the energy interface 2 and the upper side forms the application device interface 3 . In the illus- trated implementation of Fig . 14 , the energy interface 2 pro- vided at the rear side of the housing of the Function En- hancement Control Cabinet Busbar Module 1 comprises electri- cal contact s 2 9 protruding from the rear side of the housing of the Function Enhancement Control Cabinet Busbar Module 1 . These protruding electrical contact s 2 9 can be plugged in a pos sible implementation into corresponding slot s 36 of bus- bars 30 of the power distribution system 14 of the control cabinet 13 as shown in Fig . 13 . The application device inter- face 3 provided at the front side of the housing of the Func- tion Enhancement Control Cabinet Module 1 comprises in the illustrated embodiment of Fig . 14 at least one busbar portion of an internal busbar 31 included in the housing of the Func- tion Enhancement Control Cabinet Busbar Module 1 and forming part of the internal bidirectional power supply path PSP . As can be seen in Fig . 14 , the busbar portion of the internal busbar 31 also comprises slot s 32 into which in turn protrud- ing electrical contact s 33 of an application device 15 can be plugged for instance through as sociated contact openings 34 provided at the front side of the housing of the Function En- hancement Control Cabinet Module 1 as also shown in Fig . 13 . In an alternative embodiment , to overcome drawbacks caused by power dis sipated related to a shunt resistor R, a Rogowski coil 9A can be used for generation of a current measurement signal as illustrated in Fig . 5B and in Fig . 17 . The usage of a Rogowski coil 9A is useful for any use case where electri- cal AC current s may occur . Rogowski sensors 9A can also be manufactured with a small form factor to achieve a compact setup of the Function Enhancement Control Cabinet Busbar Mod- ule 1 .

Fig . 17 illustrates the measurement unit 6 using a small form factor Rogowski coil 9A for performing measurement s at the internal power supply path PSP as also illustrated schemati- cally in Fig . 5B . Besides a Rogowski coil , a clas sical cur- rent trans former can also be used for performing electrical current sensing . This kind of sensor is widely used and can be manufactured with a high accuracy and is suf ficient for energy metering .

To extend the capability of DC measurement s without drawbacks of too much power dis sipation, a Hall sensor 9A can be used as a sensing element of the measurement unit 6 as illustrated in Fig . 5C . The Hall sensor 9A can be placed externally near- by the conductor of the power supply path PSP which carries the electrical current I of interest . It is also pos sible to use multiple Hall sensors surrounding the conductor of the power supply path PSP . In this way, suf ficient common field immunity can be ensured . A calibration procedure with a setup close to the application is required for use of such an ex- ternal sensor setup as shown in Fig . 5C .

The direction of the magnetic field lines of the magnetic field generated by the flowing electrical current I measured by the current sensor 9A can be determined in a pos sible em- bodiment to detect a flowing direction of the elect rical cur- rent I based on the measurement data MDATA provided by the current sensor 9A of the measurement unit 6 to the data pro- ceeding unit 7 . In this way it is can be determined whether the electric power supply current I is flowing in a forward power supply direction as shown in Fig . 20A or in a reverse power supply direction as shown in Fig . 20B . This works for a DC power supply current . For an AC current the phase rela- tionship between voltage and current indicates whether the device is a power source or power sink ( a phase angle of 0 to 90 degrees indicates a power source and a phase angle indi- cates a power sink ) .

The use of a Rogowski coil , a current trans former or a Hall sensor as the sensor element 9A provides intrinsic galvanic isolation from the current carrying power supply path PSP .

In a pos sible implementation, an integrated Hall sensor 9 can be used where the electrical load current I is pas sed through the sensor housing . With this setup, a common field suppres- sion and calibration can be performed directly by the device manufacturer . This can lead to a compact subsystem in indus- try standard integrated circuit packages . This ease s the ef- fort s for the end user .

In contrast , the shunt resistor R as illustrated in Fig . 5A is directly coupled to the conductor of the power supply path PSP provided between the energy interface 2 and the applica- tion device interface 3 . The signal , i . e . a voltage drop along the resistor 9A can be applied to an amplifier and to the analog to digital converter 10A on a high voltage poten- tial wherein the digital information generated in response to the sensor signal is supplied to the data proces sing unit 7 via standard digital isolator building block . In this embodi- ment , an isolated power supply is required on the high volt- age side and may increase complexity of the Function Enhance- ment Control Cabinet Busbar Module 1 .

Fig . 6 shows a further block diagram for illustrating a pos- sible embodiment of a Function Enhancement Control Cabinet Busbar Module 1 according to the first aspect of the present invention . In the illustrated embodiment , the measurement unit 6 not only comprises a current sensor 9A, but also a voltage sensor 9B . The current sensor 9A is adapted to meas- ure the electrical current I flowing through the power supply path PSP . The voltage sensor 9B is adapted to measure an electrical voltage V at the power supply path PSP . The cur- rent sensor 9A of the measurement unit 6 is adapted to meas- ure the electrical current I flowing through the internal power supply path PSP and is adapted to provide a current sensor signal sampled and converted by a first analog to dig- ital converter 10A of the measurement unit 6 to generate cur- rent measurement data I-MDATA supplied by the measurement unit 6 to the data proces sing unit 7 and stored in a local non-volatile data memory 11 of the data proces sing unit 7 as a current profile I-PROFILE as shown in Fig . 6 .

The voltage sensor 9B is adapted to measure the electrical voltage V at the internal power supply path PSP and is adapted to provide a voltage sensor signal sampled and con- verted by a second analog to digital converter 10B of the measurement unit 6 to generate voltage measurement data V- MDATA supplied by the measurement unit 6 to the data pro- ces sing unit 7 of the Function Enhancement Control Cabinet Module 1 and stored in the local non-volatile data memory 11 of the data proces sing unit 7 as a voltage profile V-PROFILE .

In a further embodiment , a temperature sensor 28A of the measurement unit 6 ( shown in Fig . 8 ) can be adapted to meas- ure also a temperature T at the internal power supply path PSP provided within the housing of the Function Enhancement Control Cabinet Module 1 and to supply a corresponding tem- perature measurement signal to a third analog to digital con- verter 28B of the measurement unit 6 adapted to generate a temperature measurement data T-MDATA supplied to the data proces sing unit 7 of the Function Enhancement Control Cabinet Module 1 and stored in the local non-volatile data memory 11 of the data proces sing unit 7 as a temperature prof ile T- PROFILE .

In a pos sible embodiment , the microcontroller 23 of the data proces sing unit 7 can be adapted to control the sampling rate SR of the employed analog to digital converters 10A, 10B as shown in Fig . 6 . Accordingly, in a pos sible embodiment , in a specific operation mode , the sampling rate SR of the analog to digital converters 10A can be increased to take into ac- count specific observed operation states , current profiles and/or voltage profiles with a higher time resolution . In this way, a more accurate data analysis of voltage profiles V-PROFILEs and/or current profiles I-PROFILEs within specific time windows of interest can be performed by the proces sor 12 of the data proces sing unit 7 . On the other hand, the sam- pling rate SR can be decreased to save storage space in the data memory 11 .

The analog to digital converters 10 of the measurement unit 6 can use a common time grid applicable to all Function En- hancement Control Cabinet Modules 1 installed in the control cabinet 13 . In this way, it is pos sible to compare measure- ment data MDATA stored in data memories 11 of dif ferent Func- tion Enhancement Control Cabinet Modules 1 mounted in the control cabinet 13 an identified by their unique FMCCI-IDs . In a pos sible embodiment , the current samples i generated by the analog to digital converter 10A and the voltage samples v generated by the analog to digital converter 10B are tagged with a time stamp so that a set of current and/or voltage samples generated by dif ferent measurement unit s 6 located at dif ferent positions within the control cabinet 13 can be com- pared to each other during operation of the automat ion system in real time to detect causal relationships between dif ferent entities mounted within the control cabinet 13 based on the stored current profiles , I-PROFILEs , and/or voltage profiles , V-PROFILEs . In a pos sible embodiment , the control cabinet controller 17 can comprise a clock signal generator generat- ing a clock signal CLK distributed through the cont rol inter- faces 4 of the dif ferent Function Enhancement Control Cabinet Modules 1 to the measurement unit s 6 and the data proces sing unit s 7 of the Function Enhancement Control Cabinet Modules 1 to provide a common time grid .

Fig . 7 shows a further block diagram for illustrating a pos- sible exemplary embodiment of a control cabinet 13 according to a further aspect of the present invention . As can be seen in the block diagram, the Function Enhancement Cont rol Cabi- net Module 1 according to the first aspect of the present in- vention is connected by means of it s energy interface 2 to the power distribution system 14 of the control cabinet 13 . On the front side of the housing of Function Enhancement Con- trol Cabinet Module 1 , at least one application device 15 can be connected as shown in Fig . 7 . The control interface 4 of the Function Enhancement Control Cabinet Module 1 i s connect- ed through a control cabinet bus system 1 6 to a control cabi- net controller 17 of the control cabinet 13 . The control cab- inet bus system 1 6 comprises in a pos sible embodiment a wire- les s or a wired control cabinet bus system 1 6 . The control cabinet 13 as shown in Fig . 7 can comprise a plurality of Function Enhancement Control Cabinet Modules 1 mounted to a mounting plat form of the control cabinet 13 . The control cab- inet 13 comprises an internal power distribution system 14 . The power distribution system 14 can comprise a multiphase AC power distribution system or in an alternative embodiment a DC power supply system . In a pos sible implementation, the power distribution system 14 of the control cabinet 13 can comprise a power distribution busbar system having busbars 30 used for power distribution within the control cabinet 13 . In a pos sible embodiment , the busbars 30 of the power distribu- tion busbar system 14 of the control cabinet 13 can be touch- protected to provide protection for a user U of the control cabinet 13 . In a specific embodiment , the busbars 30 of the power distribution busbar system 14 can be encapsulated by a touch protection busbar board 4 9 as shown in Fig . 28 . The busbar board 4 9 can also be referred to a cros s board or cros slink board which is normally mounted horizontally within the control cabinet . The busbar board 4 9 comprises in a pre- ferred embodiment contact openings or slot s 35 within a touch protection front surface 37 of the busbar board 4 9 to receive protruding electrical contact s 2 9 of the energy interface 2 of the Function Enhancement Control Cabinet Module 1 being pluggable through contact openings 35 provided at the front side of the touch protection busbar board 36 into correspond- ing slot s 36 of the encapsulated busbars 30 of the power dis- tribution busbar system 14 lying directly beneath the contact openings 35 of the busbar board 4 9 as also shown in the cros s section view of Fig . 13 . The busbars 30 of the power distri- bution busbar system 14 of the control cabinet 13 are mounted in a preferred embodiment in a horizontal direction within the control cabinet 13 .

Similarly, a multiphase application device 15 may also com- prise protruding electrical contact s 33 being pluggable through corresponding contact openings 34 provided at the front side of the housing of the multiphase Function Enhance- ment Control Cabinet Module 1 into slot s 32 of internal bus- bars 31 included in the housing of the multiphase Function Enhancement Control Cabinet Module 1 . In this way, it is pos- sible to establish an electrical contact via the bidirection- al internal power supply paths PSP s of such a multiphase Function Enhancement Control Cabinet Module 1 with the elec- trical contact s 2 9 of the energy interface 2 provided at the rear side of the housing of the multiphase Function Enhance- ment Control Cabinet Module 1 and to provide a connection with the power distribution busbar system 14 of the control cabinet 13 .

Fig . 9 illustrates the architecture of the dif ferent entities in a control cabinet 13 forming part of a complex automation system . In the illustrated embodiment , the automation system comprises several control cabinet s 13-i , 13- j connected to a common data network 1 9 via data interfaces 18-i, 18— j of the respective control cabinet s 13-i , 13- j . The data network 1 9 can be a local data network or Intranet of the automation system . The data network 1 9 can be connected to a local or remote server of a central control unit 20 as shown in Fig . 9 . Each control cabinet 13-i , 13- j can comprise a different number of Function Enhancement Control Cabinet Modules 1 as shown in Fig . 9 . In the illustrated embodiment , the control cabinet 13-i comprises a number N1 of Function Enhancement Control Cabinet Modules 1 and the other control cabinet 13- j comprises a number N2 of Function Enhancement Control Cabinet Modules 1 . The server 20 can receive data from any Function Enhancement Control Cabinet Module 1 mounted in any control cabinet 13 of the automation system . In this way, it is pos- sible to compare dif ferent data received from the different Function Enhancement Control Cabinet Modules 1 and to perform an automatic analysis acros s dif ferent entities of the auto- mation system . In this way, a sophisticated algorithm per- formed by the server 20 is capable of comparing the dif ferent available data and to draw automatically conclusions as to the root cause of an observed failure event within the auto- mation system . This is facilitated since the dif ferent meas- urement data and profiles comprise data samples with an as so- ciated time stamp and sampled by using a common clock signal CLK to provide a common time grid for data evaluation . A server of a central control unit 20 can communicate with the controllers 17-i , 17- j of the dif ferent control cabinet s 13- i , 13- j depending on the observed observation scenario and can trigger a trans fer of neces sary data to the server of the automation system in response to a request sent by the server 20 to the respective controller 17 . The controllers 17-i , 17- j of the respective control cabinet s 13-i , 13- j can communi- cate with a controller 23 integrated in the dif ferent data proces sing unit s 7 of the Function Enhancement Cont rol Cabi- net Modules 1 mounted in the respective control cabinet 13 . The controller 17 of a control cabinet 13 can communicate with the controller 23 integrated in a data proces s ing unit 7 of a Function Enhancement Control Cabinet Module 1 to trigger the generation , preproces sing and/or transmis sion of meas- urement data MDATA or other data of interest stored in a lo- cal data memory of the controller 17 and to forward data through the data network 1 9 to the server 20 for further pro- ces sing . In this way, the server of the central control unit 20 can send a request for receiving sampled data in specific time windows of interest from dif ferent entities within the same or dif ferent control cabinet s 13 of the automation sys- tem . For instance , if an overcurrent event is observed by a specific Function Enhancement Control Cabinet Module 1 within the automation system, a proces sor of the server of the cen- tral control unit 20 can take a close look to corre sponding measurement data MDATA and profiles of other Function En- hancement Control Cabinet Modules 1 within the same or anoth- er control cabinet 13 to find a root cause for the observed failure . The data can also be evaluated to predict an immi- nent failure of a component or entity within the automation system . It is also pos sible that the central control unit 20 or server of the automation system can increase the sampling rate SR of the analog to digital converters 10 to generate sensor profiles with a higher time resolution in a critical operation state where an imminent failure is likely . In this way, a more reliable evaluation of a specific event based on the stored sensor data can be performed because a higher num- ber of available data samples is provided within the observed time window . In a pos sible embodiment , the sampling rates SR of the ADCs 10A, 10B, 28B are adjusted event-driven .

Fig . 10 shows a block diagram for illustrating a pos sible ex- emplary embodiment of a Function Enhancement Control Cabinet Module 1 according to the present invention . In the illus- trated embodiment , the Function Enhancement Control Cabinet Module 1 comprises a multiphase Function Enhancement Control Cabinet Module 1 used for three dif ferent phases LI , L2 , L3 of a three-phase AC power distribution system 14 of the con- trol cabinet 13 . Also, the application device interface 3 comprises three electrical contacts for three different elec- trical phases LI, L2, L3. Accordingly, the Function Enhance- ment Control Cabinet Module 1 shown in the schematic diagram of Fig. 10 comprises three parallel power supply paths PSP1, PSP2, PSP3. Each power supply path PSP is in a preferred em- bodiment a bidirectional power supply path. For each power supply path PSP1, PSP2, PSP3 of the Function Enhancement Con- trol Cabinet Module 1, an associated measurement unit 6-1, 6-2, 6-3 can be provided having its integrated analog to dig- ital converter 10 providing measurement data MDATA to the da- ta processing unit 7 of the Function Enhancement Control Cab- inet Module 1. Each measurement unit 6-i may comprise one or more sensor elements 9-1, 9-2, 9-3 as shown in Fig. 10. The received measurement data can be stored in a possible embodi- ment in a non-volatile common memory 11 of the data pro- cessing unit 7 separately for each power supply path PSP. The stored measurement data can comprise current measurement data I-MDATA, voltage measurement data V-MDATA and temperature measurement data T-MDATA. The acquisition of measurement data can be triggered by different entities of the automation sys- tem comprising a control entity 15A of an application device 15 connected to the application device interface 3, a micro- controller 23 or FPGA of the data processing unit 7 or the external control cabinet controller 17 of the respective con- trol cabinet 13. In a possible embodiment, a processor 12 of the data processing unit 7 can calculate a phase relationship between the different electrical AC power supply phases LI, L2, L3 supplied via the bidirectional internal power supply paths PSP1, PSP2, PSP3 of the Function Enhancement Control Cabinet Module 1. The processor 12 of the data processing unit 7 can be further adapted to determine or calculate a frequency f of the electrical AC power supply phases LI, L2, L3 based on the measurement data received by the data pro- ces sing unit 7 from the measurement unit s 6-1 , 6-2 , 6-3 of the Function Enhancement Control Cabinet Module 1 as shown in the block diagram of Fig . 10 . The proces sor 12 of the data proces sing unit 7 can be further adapted to calculate a real power, a reactive power and/or an apparent power for each phase LI , L2 , L3 . The proces sor 12 can further calculate a summed real , reactive and apparent power value for the multi- phase power distribution system . The proces sor 12 can also calculate accumulated energy values related to single phases L-i or related to multiple phases of the multiphase power distribution system 14 .

In a pos sible embodiment , the application device interface 3 comprises a motor controller to which an electrical motor is connected as a load device 21A . In a pos sible embodiment , the proces sor 12 of the data proces sing unit 7 is adapted to per- form an automatic rotation field detection and/or an automat- ic polarity detection based on the measurement data MDATA stored in the data memory 11 of the data proces sing unit 7 for the dif ferent electrical AC power supply phases LI , L2 , L3 . The microcontroller 23 or FPGA of the data processing unit 7 can further perform a control function of the applica- tion device 15 connected to the application device interface 3 and the application device control interface 22 provided at the front side of the housing of the Function Enhancement Control Cabinet Module 1 through the application device in- terface 3 of the Function Enhancement Control Cabinet Module 1 as also illustrated in the block diagram of Fig . 8 .

In a further pos sible implementation, the data processing unit 7 of the Function Enhancement Control Cabinet Module 1 can also comprise a microcontroller 23 or FPGA adapted to control at least one actuator provided within the bidirec- tional internal power supply paths PSP1 , PSP2 , PSP 3 in re- sponse to the measurement data MDATA received by the data proces sing unit 7 from the measurement unit s 6-i of the Func- tion Enhancement Control Cabinet Module 1 to optimi ze the power supply of the connected application device 15 and/or to provide protection of the application device 15 or its con- nected load device 21 such as the electrical multiphase motor against overcurrent and/or against overload . The actuator can comprise in a pos sible implementation a controllable semicon- ductor power switch or an electromechanical power switch such as a relay .

Fig . 8 shows the generalized internal structure of a Function Enhancement Control Cabinet Module 1 in a pos sible embodi- ment . As can be seen in the schematic block diagram of Fig . 8 , the control interface 4 can also be provided to form a physical layer communication 25 of the microcontroller 23 of the Function Enhancement Control Cabinet Module 1 . Further, the control interface 4 can be used to provide auxiliary pow- er supply 27 and/or auxiliary input /output communication 2 6 . In the illustrated implementation, the Function Enhancement Control Cabinet Module 1 also comprises a temperature meas- urement unit 28 comprising a temperature sensor 28A supplying temperature data sampled by an ADC 28B to the data proces sing unit 7 . The analog to digital conversion unit s 10A, 10B are galvanically isolated by galvanic isolation means 24 from the data proces sing unit 7 of the Function Enhancement Control Cabinet Module 1 as shown in Fig . 8 . Galvanic isolation can be achieved in a pos sible implementation by the provision of optical coupling element s , e . g . a light emitting diode re- ceiving a signal from the ADC 10 and a light sensit ive tran- sistor connected to an input of the data proces sor 12 of the data proces sing unit 7 . The data proces sing unit 7 communi- cates internally with the user visualization interface 5 and/or with the application device control interface 22 of the Function Enhancement Control Cabinet Module 1 . In the il- lustrated embodiment of Fig . 8 , a first set of voltage sens- ing element s 9A, 9B can be located at the side of the energy input interface 2 . Depending on the use case and the kind of application device 15 , a second set of voltage sensors 9B' can be added to measure also the voltage at the side of the application device interface 3 . In this way, the state or health state of a load switch can be monitored by the data proces sing unit 7 of the Function Enhancement Control Cabinet Module 1 .

Fig . 11 shows a perspective view for illustrating a pos sible exemplary embodiment of a Function Enhancement Cont rol Cabi- net Module 1 according to the first aspect of the present in- vention having at least one energy interface 2 for connection of the Function Enhancement Control Cabinet Module 1 to a power distribution system 14 of the control cabinet 13 . In the illustrated embodiment , the control cabinet 13 comprises a busbar power distribution system 14 with for instance three busbars 30-1 , 30-2 , 30-3 mounted in horizontal direction within the housing of the control cabinet 13 on a mounting plat form . The energy interface 2 is provided at the rear side of the housing of the Function Enhancement Control Cabinet Module 1 as shown in Fig . 11 to provide electrical and me- chanical connection to the busbars 30-1 , 30-2 , 30-3 of the control cabinet 13 . On the opposite side of the housing, i . e . on the front side of the Function Enhancement Control Cabinet Module 1 as illustrated in Fig . 11 , at least one application device interface 3 is provided which can be used for connec- tion and power supply of at least one application device 15 connectable to the front side of the Function Enhancement Control Cabinet Module 1 . The Function Enhancement Control Cabinet Module 1 can further comprise in the illust rated em- bodiment a control interface 4 which in the illustrated em- bodiment is provided on the top side of the housing of the Function Enhancement Control Cabinet Module 1 and can be used for connection to an external control cabinet controller 17 of the respective control cabinet 13 . The Function Enhance- ment Control Cabinet Module 1 further comprises in the illus- trated embodiment a user visualization interface 5 as shown in Fig . 11 . The user visualization interface 5 can be provid- ed at dif ferent locations of the housing of the Function En- hancement Control Cabinet Module 1 depending on the use case and may comprise light emitting diodes and/or display ele- ment s to display relevant information data to a user U . The user visualization interface 5 comprises in a preferred em- bodiment a touch sensitive user visualization interface 5 which allows to pres s sensitive portions of the user visuali- zation interface 5 to input user commands . In the example il- lustrated in Fig . 11 , the power distribution system 14 com- prises a three-phase AC power supply system with three phases LI , L2 , L3 distributed via corresponding busbars 30 -1 , 30-2 , 30-3 . In the illustrated example , the busbars 30 comprise slot s 36 which can be used to receive protruding electrical contact s 2 9 provided at the rear side of the housing of the Function Enhancement Control Cabinet Module 1 . In the same manner, the front side of the application device interface 3 can comprise slot s 34 to receive protruding electrical con- tact s 33 of the application device 15 such as a motor con- troller used for controlling the power supply of a connected electrical motor . This allows to mount the Function Enhance- ment Control Cabinet Module 1 in a sandwiched posit ion be- tween the power distribution system 14 and the application device 15 in a plug and play manner . Further it is even pos- sible to stack several Function Enhancement Control Cabinet Modules 1-1 , 1-2 upon each other as illustrated in Fig . 24 . The application device 15 can comprise a power supply connection interface 38 used for connecting the load device 21A to the respective application device 15 .

Fig . 12 illustrates a mounting of a load device 21 to the corresponding power supply generation interface 38 of the ap- plication device 15 already plugged into the application de- vice interface 3 of the Function Enhancement Control Cabinet Module 1 . As can be seen in Fig . 12 , the Function Enhancement Control Cabinet Module 1 is sandwiched between the power dis- tribution busbar system 14 comprising the busbars 30-1 , 30-2 , 30-3 for the dif ferent AC power phases LI , L2 , L3 and the ap- plication device 15 . In a pos sible preferred embodiment , the Function Enhancement Control Cabinet Module 1 can be removed such that the application device 15 is after the removal di- rectly plugged into the busbars 30-1 , 30-2 , 30-3 of the power distribution system 14 of the control cabinet 13 . According- ly, only a predefined portion of the application devices 15 may be connected indirectly via as sociated sandwiched Func- tion Enhancement Control Cabinet Modules 1 to the power dis- tribution system 14 of the control cabinet 13 . Another por- tion of the application devices 15 can be connected directly to the power distribution system 14 without using sandwiched Function Enhancement Control Cabinet Modules 1 . Thi s increas- es the flexibility of the automation system and allows to change the location of the Function Enhancement Control Cabi- net Module 1 to provide measurement data for specif ic appli- cation devices 15 , for instance for critical application de- vices 15 having critical load devices 21A requiring a real time monitoring of their operation states on the basis of the measurement data MDATA provided by the sandwiched Function Enhancement Control Cabinet Module 1 according to the present invention .

Fig . 13 shows a pos sible embodiment of the Function Enhance- ment Control Cabinet Module 1 used in a control cabinet 13 of the automation system . As can be seen in the illust rated em- bodiment , the energy interface 2 provided at the rear side of the housing of the Function Enhancement Control Cabinet Mod- ule 1 comprises electrical contact s 2 9 which are protruding from the rear side of the housing of the Function Enhancement Control Cabinet Module 1 and are pluggable into corresponding slot s 36 of busbars 30 of the power distribution busbar sys- tem 14 of the control cabinet 13 . The application device in- terface 3 at the front side of the housing of the Function Enhancement Control Cabinet Module 1 comprises in the illus- trated embodiment of Fig . 13 at least one busbar portion of an internal busbar 31 included in the housing of the Function Enhancement Control Cabinet Module 1 and forming part of the internal bidirectional power supply path PSP . The busbar por- tion of the internal busbar 31 has slot s 32 into which pro- truding electrical contact s 33 of the application device 15 can be plugged through as sociated contact openings 34 provid- ed at the front side of the housing of the Function Enhance- ment Control Cabinet Module 1 shown in the cros s section view of Fig . 13 . As can be seen in Fig . 13 , the measurement unit 6 and the data proces sing unit 7 are both integrated in the electrically isolating housing of the Function Enhancement Control Cabinet Module 1 and are provided on a printed cir- cuit board PCB surrounded by the electrical isolating housing of the Function Enhancement Control Cabinet Module 1 . The sensors 9 of the measurement unit 6 of the Function Enhance- ment Control Cabinet Busbar Module 1 shown in Fig . 13 are provided at the at least one internal busbar 31 included in the electrically isolating housing of the Function Enhance- ment Control Cabinet Busbar Module 1 to provide continuously or event-driven measurement data MDATA to the data proces sing unit 7 of the Function Enhancement Control Cabinet Busbar Module 1 indicating an amplitude or an amplitude change of the electrical current I flowing through the internal busbar 31 and/or indicating an electrical voltage or a voltage change at the internal busbar 31 of the Function Enhancement Control Cabinet Busbar Module 1 . The energy interface 2 pro- vided at the rear side of the housing of the Function En- hancement Control Cabinet Busbar Module 1 shown in Fig . 13 may comprise several electrical contact s for dif ferent AC power supply phases L of a multiphase power distribution bus- bar system 14 as also illustrated in Figs . 11 , 12 . In the il- lustrated embodiment of Fig . 13 , the U-shaped internal busbar 31 is formed such that it surrounds at least partially the internal circuitry mounted on the printed circuit board PCB of the Function Enhancement Control Cabinet Busbar Module 1 shown in Fig . 13 . This provides additional mechanical protec- tion and does more importantly also use the required mounting space for the internal electronic circuitry ef ficiently thus minimizing the required size of the housing of the Function Enhancement Control Cabinet Busbar Module 1 . In thi s way, the mounting space within the control cabinet 13 can be saved . The internal structure illustrated in Fig . 3 allows for a flat Function Enhancement Control Cabinet Busbar Module 1 as also illustrated in Figs . 11 , 12 . The housing of the Function Enhancement Control Cabinet Busbar Module 1 comprises a height H, a width W and a depth D . The structure of Fig . 13 allows for a small depth D of the Function Enhancement Con- trol Cabinet Busbar Module 1 sandwiched between the power distribution system 14 and the application device 15 . The width W of the housing of the Function Enhancement Control Cabinet Busbar Module 1 may correspond to the width W of the application device 15 as shown in Figs . 11 , 12 . In alterna- tive embodiment s , also several application devices 15 can be connected to the same Function Enhancement Control Cabinet Busbar Module 1 provided that the width W of the module hous- ing is suf ficient . Accordingly, several application devices 15 may share a common Function Enhancement Control Cabinet Busbar Module 1 such as application devices 15-5 shown in Fig . 28 .

Fig . 14 illustrates the internal structure of the Function Enhancement Control Cabinet Busbar Module 1 as shown in the cros s-sectional view of Fig . 13 . Fig . 14 shows the internal busbar 31 with the front busbar portion having slot s 32 and the rear side protruding contact s 2 9 used for plug-in the Function Enhancement Control Cabinet Module 1 in correspond- ing slot s 36 of busbars 30 of the power distribution system 14 . In the illustrated embodiment of Fig . 14 , the upper por- tion shown in Fig . 14 forms the application device interface 3 and the lower portion shown in Fig . 14 forms the energy in- terface 2 .

Fig . 15 illustrates a printed circuit board PCB with the electronic component s of the measurement unit 6 and of the data proces sing unit 7 . For each phase L of the multiphase AC power distribution system 14 , a corresponding internal busbar portion of an internal busbar 31 is provided and can be used for connecting a phase L of the respective applicat ion device 15 .

Fig . 1 6 illustrates the printed circuit board PCB with re- moved internal busbars 31 . The printed circuit board PCB with the electronic component s comprises a length L and a width W corresponding to the height H and width W of the flat Func- tion Enhancement Control Cabinet Busbar Module 1 illustrated in Figs . 11 , 12 . In a pos sible implementation, the printed circuit board PCB along with the connected internal busbars 31 can be inserted into the housing of the Function Enhance- ment Control Cabinet Busbar Module 1 through a mechanical re- ception interface as also illustrated in Fig . 25 . This allows to replace the printed circuit board PCB even when the Func- tion Enhancement Control Cabinet Busbar Module 1 is mounted in a sandwiched position between the power distribution sys- tem 14 of the control cabinet 13 and the application device 15 . In a pos sible implementation, a sensor 9 provided at the internal power supply path PSP is adapted to generate a sen- sor signal supplied via gold spring element s or via spring element s made of another corrosion resilient material of the data proces sing unit 7 mounted on the printed circuit board PCB of the Function Enhancement Control Cabinet Busbar Module 1 .

In a pos sible implementation, the application device 15 con- nected to the application device interface 3 provided at the front side of the housing of the Function Enhancement Control Cabinet Busbar Module 1 can comprise an RFID tag, storing ap- plication device identification data and/or device operation boundary data . The application device identification data and/or the device operation boundary data of the application device 15 can be read in a pos sible implementation by an RFID reading unit of the Function Enhancement Control Cabinet Bus- bar Module 1 and supplied to the proces sor 12 of the data proces sing unit 7 of the Function Enhancement Control Cabinet Busbar Module 1 and stored in a local non-volatile data memory 11 of the data proces sing unit 7 for further pro- ces sing . Figs . 18A, 18B illustrate exemplary implementations for a pos sible mounting of a Function Enhancement Control Cabinet Module 1 according to the present invention to a busbar 30 of a power distribution system 14 of the control cabinet 13 . Fig . 18A illustrates an implementation where a hook-shaped contact 39 provided at the rear side of the housing of the Function Enhancement Control Cabinet Module 1 is used for mounting a module on the respective busbar 30 and provide at the same time an electrical contact to the busbar 30 . In the alternative implementation illustrated in Fig . 18B, protrud- ing electrical contact s 2 9 of the energy interface 2 provided at the rear side of the housing of the Function Enhancement Control Cabinet Module 1 are plugged into corresponding slot s 36 of the illustrated busbar 30 of the power distribution system 14 .

Fig . 1 9 shows a further exemplary implementation of a pos si- ble connection of a Function Enhancement Control Cabinet Mod- ule 1 to a power distribution system 14 of a control cabinet 13 . In the illustrated embodiment , the rear side of the hous- ing of the Function Enhancement Control Cabinet Module 1 com- prises a contour or engaging element s 40 which can be used to mount the housing of the Function Enhancement Control Cabinet Module 1 to a mounting rail 41 such as a hut rail of the mounting plat form of the control cabinet 13 . In the illus- trated example , the mounting rail 41 is connected to a mount- ing plate 42 of the control cabinet 13 . Also, on the front side of the housing of the Function Enhancement Control Cabi- net Module 1 , a mounting rail 43 can be used for mounting an application device 15 to the Function Enhancement Control Cabinet Module 1 . This implementation can be provided for connection of the application device 15 to the application device interface 3 which is provided in the illustrated exem- plary embodiment on the top side of the housing of the Func- tion Enhancement Control Cabinet Module 1 . In the illustrated embodiment , the energy supply interface 2 can be provided at the lower side of the housing . Accordingly, in dif ferent em- bodiment s , the dif ferent interfaces 2 , 3 , 4 , 5 of the Func- tion Enhancement Control Cabinet Module 1 may be located on dif ferent sides of the housing of the Function Enhancement Control Cabinet Module 1 .

Both sensing and communication capabilities of the Function Enhancement Control Cabinet Module 1 allow in a pre ferred em- bodiment for a standardized communication with an external cabinet controller 17 of the control cabinet 13 such as a PLC via a control cabinet bus system 1 6 without requirement of wiring the application device 15 to the PLC of the control cabinet 13 . This greatly eases the setup of a control cabinet 13 and/or of the automation system shown in Fig . 9 since only a fraction of the wires are required in contrast to a clas si- cal approach of a conventional control cabinet 13 . In addi- tion, les s wires allows a user to more easily understand the automation system thus allowing for more expedient extension or modification of the automation system .

The Function Enhancement Control Cabinet Module 1 provides for a more comprehensive monitoring of the applicat ion side . Also, detailed information and measurement data of the energy input side is available . This covers for example al so voltage levels and/or i . e . rotational field detection related to a multiphase AC power distribution system of the cont rol cabi- net 13 . Further, in case that environmental parameters have changed compared to a recent work cycle , a user U and/or a control cabinet controller 17 can be informed about this specific is- sue . In this way, repair and maintenance work can be facili- tated, in particular thanks to the user visualization inter- face 5 of the Function Enhancement Control Cabinet Module 1 . In a pos sible embodiment , the user visualization interface 5 can comprise a set of light emitting diodes LEDs located at the side of the application device interface 3 and adapted to indicate a connection state and/or an operation state of an application device 15 connected to the application device in- terface 3 of the Function Enhancement Control Cabinet Busbar Module 1 . The Function Enhancement Control Cabinet Busbar Module 1 can further comprise a second set of light emitting diodes LEDs located at the side of the energy supply inter- face 3 and adapted to indicate a connection state and/or an operation state of the power distribution busbar system 14 connected to the energy supply interface 2 of the Function Enhancement Control Cabinet Busbar Module 1 . Accordingly, if a critical operation state occurs on the side of the energy interface 2 , a corresponding set of LEDs can make a user U aware of the problem residing on the energy supply side of the Function Enhancement Control Cabinet Module 1 . In con- trast , if the other opposing set of LEDs on the other side of the housing of the Function Enhancement Control Cabinet Mod- ule 1 indicates a critical state , a user U becomes aware that the problem or failure is most likely at the application side of the Function Enhancement Control Cabinet Module 1 .

With the Function Enhancement Control Cabinet Module 1 ac- cording to the present invention, a control cabinet control- ler 17 such as a PLC or a system level controller of the au- tomation system can be fed with detailed information and data about a specific load device 21 controlled via an application device 15 and a Function Enhancement Control Cabinet Module 1 connected to the power distribution system 14 of the control cabinet 13 . Besides the provision of instantaneous measure- ment values or measurement data MDATA, the Function Enhance- ment Control Cabinet Module 1 according to the present inven- tion allows also to monitor a long-term drift of measurement values or measurement data MDATA . I f a significant or abrupt change of data is detected, the cabinet controller 17 can be informed instantaneously . Additionally, user information can be presented to a user U by means of the user visualization interface 5 .

The application device 15 connected to the applicat ion device interface 3 can comprise in a pos sible simple application a non-swit chable load connector providing a connection between the application device interface 3 and the load device 21 . The Function Enhancement Control Cabinet Module 1 provides temperature monitoring as well as voltage and current meas- urement s or profiles to monitor the operation of the connect- ed load .

In a further exemplary use case , the application device 15 can comprise an unfused load switch . In a pos sible embodi- ment , the state of the switch can be notified to the data proces sing unit 7 of the Function Enhancement Control Cabinet Module 1 , for instance via a small auxiliary switch or a light barrier . In case a user U can only operate the load switch manually, the state is in this case known to the over- all automation system . Consequently, in this use case, a su- pervision of the switch also becomes pos sible , since the load current I is only allowed to flow if the switch is in a closed position . In some use cases , the load devices 21A connected to the pow- er distribution system 14 require fusing . The fuses can be typically located on specific product s mounted on a busbar adapter . Following the previous examples , now a fused, manu- ally operated load switch is discus sed . In this case , it is of interest to also monitor the state of the fuses . This can be done in several ways as follows . I f a fuse has blown a significant voltage will drop over the respective fuse ele- ment . This can be detected by performing a dif ferent voltage measurement over the fuse contact s . In a pos sible embodiment , the sensed voltage is fed to an RFID tag of the application device 15 . The data in turn is read out by the Function En- hancement Control Cabinet Module 1 . Also, feeding the sensed voltage to a photocoupler providing this information with clas sical wiring to the Function Enhancement Control Cabinet Module 1 is pos sible . Further, the use of two set s of voltage sensor element s can provide the same functionality . The first set of sensors is connected to the feeding side of the fuses and the second set of sensors is connected on a load side of the fuses .

In a further alternative implementation, a monitoring algo- rithm executed by the data proces sing unit 7 is adapted to monitor a fuse stres s of fuse element s based on a load cur- rent as well as on the basis of a stored load current histo- ry . For providing this way of fuse monitoring, the Function Enhancement Control Cabinet Module 1 does know the type and rating of the used fuses . Further, the fuses can al so be pro- vided with an RFID tag which may hold this kind of infor- mation about the type and reading . This overcomes the problem that wrong parameters may be entered by a user which may af- fect the sensitivity of the detection algorithm . In a pos sible embodiment , the application device interface 3 of the Function Enhancement Control Cabinet Module 1 is also capable of driving contactors or solid-state relays . The Function Enhancement Control Cabinet Module 1 can also be adapted in a pos sible embodiment to evaluate a state of aux- iliary input s . With the automation system according to the present invention employing the Function Enhancement Control Cabinet Module 1 , dif ferent kinds of automated or electrical controllable load switches can be set up . The measurement ca- pabilities allow also for a very specific load protection in- cluding a motor protection algorithm . The application device 15 may comprise a motor controller or motor starter . By the use of the Function Enhancement Control Cabinet Module 1 , mo- tor starter applications become quite smart because the Func- tion Enhancement Control Cabinet Module 1 also provides elec- trical current monitoring for overload protection . Due to the software implementation of a motor protection algorithm, it is pos sible that the data proces sing unit 7 is able to adjust rated electrical current and trip clas s settings .

I f a reversing motor starter is required two contactors can be used on the application device side . Communication to the control cabinet controller 17 can be done through the control interface 4 of the Function Enhancement Control Cabinet Mod- ule 1 . Also, contactor drive and monitoring via an auxiliary switch can be performed by the Function Enhancement Control Cabinet Module 1 .

In a use case where a high frequency switching is desired, solid-state relays can be used instead of clas sical contac- tors . Also, in this use case , driving and monitoring the switching element s can be performed by the Function Enhance- ment Control Cabinet Module 1 according to the present inven- tion . The Function Enhancement Control Cabinet Module 1 can also provide ef ficient short circuit protection with minimum delay times and/or an overcurrent protection by controlling actuators , in particular semiconductor power switches provid- ed in the power supply path PSP .

Conventional automation system applications are normally set up once and remain unchanged during a long life cycle of the automation system . Thanks to the flexible connector struc- ture , the Function Enhancement Control Cabinet Module 1 can also provide as sistance for maintenance , repair and trouble- shooting within the automation system . For example , a user U can detect an increasing amount of errors or defect s or fail- ures on a subpart of the automation system . By using the Function Enhancement Control Cabinet Module 1 it is pos sible to add and insert the flat Function Enhancement Control Cabi- net Module 1 in a plug-and-play manner to a specific load connection for further investigation .

Depending on the application or use case , the user U of the control cabinet 13 can start a recording of the voltage V and electrical current I at the power supply paths PSP s of the Function Enhancement Control Cabinet Module 1 and acquire da- ta related to the event of interest .

Also, a control entity connected via control wires to the ap- plication device control interface 22 can be used to trigger and control data acquisition .

Depending on the scope of the data analysis or whether a storage of recorded data and event s in a local non-volatile memory 11 of the Function Enhancement Control Cabinet Module 1 is desired, the user U uses a PC application to get a real- time view on the as sistance status or event s of interest based on the stored data . Measurement data MDATA and other data such as the identification data can be logged during the operation of the automation system .

With increasing complexity of the automation system, also the tasks of ensuring availability and planning maintenance of entities within the automation system become more complicat- ed . The Function Enhancement Control Cabinet Module 1 pro- vides ef ficient real-time data allowing a seamles s , robust and reliable monitoring of dif ferent entities within the au- tomation system .

Whether a specific defect or failure can be predicted depends on the specific application . In any case , a lot of proces ses performed in an automation system comprise patterns that re- peat it self very often . With the Function Enhancement Control Cabinet Module 1 comprising in a pos sible embodiment a trained artificial neural network ANN, it is pos sible to au- to-discover specific data patterns and event s occurring in the monitored automation system .

The internal structure of the Function Enhancement Control Cabinet Module 1 provides all neces sary component s or ele- ment s to run specific algorithms directly on the data pro- ces sing unit 7 of the Function Enhancement Control Cabinet Module 1 . These algorithms can be performed by a proces sor 12 of the data proces sing unit 7 including the acquiring of measurement data MDATA, the preproces sing of measurement data MDATA the correlation of measurement data MDATA with each other and comparing the measurement data MDATA with previous- ly stored measurement data MDATA and/or with measurement data MDATA provided by other Function Enhancement Control Cabinet Modules 1 of the control cabinet identified by their FMCCI- IDs . The evaluation of the measurement data MDATA i s facili- tated in a pos sible embodiment by a common time grid provided by a distributed clock signal CLK of the control cabinet 13 .

In a pos sible embodiment , after some work cycles , the con- troller or artificial neural network ANN within the data pro- ces sing unit 7 of the Function Enhancement Control Cabinet Module 1 does learn how for instance electrical current pat- terns drawn by a specific electrical motor connected as a load 21 via an application device 15 to the Function Enhance- ment Control Cabinet Module 1 will look like . For instance , if it can be seen from a long-term drift of the sampled val- ues that the electrical motor current tends to increase , a revision and/or cleaning of the pump or other machine driven by the electrical motor can be neces sary . In this way, the maintenance and repair scheduling of entities within the au- tomation system can be simplified .

In this case , a flowmeter on the fluid side of a pump driven by the electrical motor can be added . In this use case , a di- rect correlation between the amount of fluid and the electri- cal motor current I can be recorded using the Funct ion En- hancement Control Cabinet Module 1 according to the present invention . Again, the data proces sing unit 7 of the Function Enhancement Control Cabinet Module 1 can be trained on typi- cal working cycles .

In case that some unexpected behavior is detected, for in- stance by the trained artificial neural network ANN, the electrical motor as a load device 21A can be stopped automat- ically in response to a control command or a control signal CRTL output by the data proces sing unit 7 through the appli- cation device control interface 22 to the control entity of the electrical motor . Simultaneously, a user U can be noti- fied about the motor failure through the user visualization interface 5 of the Function Enhancement Control Cabinet Mod- ule 1 . In most cases , defect s or failures of a component of the automation system do not occur suddenly but a degradation of the system or a system component takes slowly place over time . With the evaluation of the measurement data MDATA, it is pos sible to perform predictive maintenance and to plan maintenance activities before the af fected equipment or ap- plication device 15 or load device 21A completely fails . In another use case where an electrical switching equipment is used, a voltage drop during on-state , a switching t ransition time and leakage current in the of f-state can provide insight to a switch health status . The Function Enhancement Control Cabinet Module 1 provides the neces sary sensing element s 9 within the measurement unit 6 to determine the momentary health status of most kinds of electrical switching equip- ment .

The Function Enhancement Control Cabinet Module 1 can be used in a wide variety of dif ferent automation systems and for dif ferent kinds of application devices 15 and control cabi- net s 13 .

The Function Enhancement Control Cabinet Module 1 according to the present invention comprises a bidirectional internal power supply path PSP . Accordingly, it is pos sible to connect both power-consuming load devices 21A but also power genera- tion devices 21B to corresponding application devices 15 as illustrated in Fig . 21 . As can be seen in Fig . 21 , a local power generation device 21B which may be mounted in the con- trol cabinet 13 can be used for a local power supply of a neighboring power-consuming load device 21A through Function Enhancement Control Cabinet Modules 1 sandwiched between bus- bars 30-i of a power distribution system 14 and the applica- tion devices 15 as shown in Fig . 21 . The power generation de- vice 21B can for instance be a battery mounted in the control cabinet 13 which can be used as an emergency energy source in case that an external power supply to the control cabinet 13 fails . In this embodiment , the power-consuming load device 21A receives it s power supply from the local power generation device 21B through the Function Enhancement Control Cabinet Modules 1 connected to the busbars 30-i of the power distri- bution system 14 as shown in Fig . 21 . In an alternative em- bodiment , the power generation device 21B can also comprise an AC power source such as a generator which may be activated when the external power supply fails . In a pos sible implemen- tation, the Function Enhancement Control Cabinet Modules 1 are notified by the controller 17 of the control cabinet 13 in case that a power supply to the control cabinet 13 is in- terrupted . In a pos sible embodiment the FECCM 1 can measure the supply voltage at the busbars 30-i of the power distribu- tion system 14 and may notify the controller 17 of the con- trol cabinet 13 for instance as soon as the supply voltage is mis sing . The controller 17 of the control cabinet 13 can switch the power supply path PSP of the Function Enhancement Control Cabinet Module 1 connected to the power-consuming load device 21A into a forward power supply direction and the power supply path PSP of the other Function Enhancement Con- trol Cabinet Module 1 connected to the power generation de- vice 21B into a reverse power supply direction such that the electrical current I generated by the power generat ion device 21B is trans ferred via a first application device 15 and it s Function Enhancement Control Cabinet Module 1 through the busbars 30 and the other Function Enhancement Control Cabinet Module 1 and it s application device 15 to reach finally the power-consuming load device 21A as shown in Fig . 21 . I f the busbars 30 shown in Fig . 21 are for integrated in a touch pro- tection busbar board of the power distribution system as shown in Fig . 28 the power generation device 21B may provide a substitute power supply for the power consuming load device 21A in case that the busbar board is removed temporarily from the local power distribution system of the control cabinet .

Figs . 22A, 22B show a housing of a Function Enhancement Con- trol Cabinet Module 1 according to the present invention . In the illustrated embodiment , it can be seen that the housing of the Function Enhancement Control Cabinet Module 1 is sym- metrical and can be turned along it s longitudinal axis by 180 ° . This allows that the control interface 4 visible in Fig . 22A can always be directed towards the controller 17 of the control cabinet 13 . This does facilitate the wiring be- tween the Function Enhancement Control Cabinet Module 1 and the controller 17 of the control cabinet 13 via the internal bus 1 6 of the control cabinet 13 .

Fig . 23 illustrates a further exemplary embodiment of a Func- tion Enhancement Control Cabinet Module 1 according to the present invention . In the illustrated embodiment of Fig . 23 , the Function Enhancement Control Cabinet Module 1 i s a multi- phase Function Enhancement Control Cabinet Busbar Module 1 composed of three single-phase Function Enhancement Control Cabinet Modules 1 . In the illustrated example , the first sin- gle-phase Function Enhancement Control Cabinet Busbar Module 1-L1 is provided for a first phase LI of a multiphase power distribution system 14 , the second single-phase Function En- hancement Control Cabinet Busbar Module 1-L2 is provided for a second phase L2 of a multiphase power distribution system 14 and the third single-phase Function Enhancement Control Cabinet Busbar Module 1-L3 is provided for a third phase L3 of a multiphase power distribution system 14 . By plugging the three separate single Function Enhancement Control Cabinet Busbar Modules 1 shown on the left side of Fig . 23 together, a three-phase Function Enhancement Control Cabinet Module 1 is created which can be used for three phases of a three- phase power supply system . Accordingly, Fig . 23 shows the modular composition of a multiphase Function Enhancement Con- trol Cabinet Module 1 . In this way, the flexibility of the system can be increased and multiphase Function Enhancement Control Cabinet Modules 1 can be created by a user U by plug- ging available single-phase Function Enhancement Control Cab- inet Modules 1 together as illustrated schematically in Fig . 23 . Each single-phase Function Enhancement Control Cabinet Module 1 shown in Fig . 23 can include an as sociated measure- ment unit 6 and an integrated data proces sing unit 7 provided between a single-phase energy interface 2 and a single-phase application device interface 3 as also illustrated schemati- cally in the block diagram of Fig . 1 . Further, each single- phase Function Enhancement Control Cabinet Module 1 shown in Fig . 23 may comprise a control interface 4 and a user visual- ization interface 5 . Other embodiment s are pos sible . For in- stance , one of the three single-phase Function Enhancement Control Cabinet Modules 1-L1 , 1-L2 , 1-L3 forms a basic sin- gle-phase Function Enhancement Control Cabinet Module 1 hav- ing a control interface 4 and a user visualization interface 5 whereas the added single-phase Function Enhancement Control Cabinet Modules 1 may only comprise an as sociated energy in- terface 2 and an as sociated application device interface 3 . Fig . 24 shows a further pos sible use case for a Function En- hancement Control Cabinet Module 1 according to the present invention . As can be seen in Fig . 24 , several Funct ion En- hancement Control Cabinet Modules 1-i can be stacked upon each other between a power distribution system 14 of the con- trol cabinet 13 and an application device 15 . The reason for stacking can be that for instance the Function Enhancement Control Cabinet Modules 1-1-, 1-2 shown in Fig . 24 may com- prise dif ferent sensor component s 9 which provide different kinds of measurement data MDATA ( e . g . I-MDATA, V-MDATA) . An- other reason for stacking can be the need to provide redun- dancy . For instance if a load is critical or highly sensitive a redundant monitoring by two or more stacked FECCMs 1-i providing the same kind of measurement data can be performed . Further, the dif ferent Function Enhancement Control Cabinet Modules 1-i stacked between the power distribution system 14 and the application device 15 can comprise in a pos sible em- bodiment dif ferent proces sing capabilities to evaluate meas- urement data MDATA . In a pos sible embodiment , the f irst Func- tion Enhancement Control Cabinet Module 1-1 may for instance generate current measurement data I-MDATA whereas the other stacked Function Enhancement Control Cabinet Module 1-2 gen- erates voltage measurement data V-MDATA . Each stacked Func- tion Enhancement Control Cabinet Module 1-i shown in Fig . 24 can comprise in a pos sible embodiment an integrated measure- ment unit 6 and an integrated data proces sing unit 7 . By stacking the Function Enhancement Control Cabinet Modules 1-i between the power distribution system 14 of the control cabi- net 13 and the application device 15 , even more flexibility for addres sing the respective use case can be achieved .

Fig . 25 shows a further pos sible exemplary embodiment of a Function Enhancement Control Cabinet Busbar Module 1 . In the illustrated embodiment , the housing of the Function Enhance- ment Control Cabinet Busbar Module 1 comprises at a sidewall reception means which allows to replace a printed circuit board PCB onto which the dif ferent internal busbars 30-i are fixed . The embodiment illustrated in Fig . 25 allows to re- place a printed circuit board PCB with the corresponding cir- cuitry, i . e . the measurement unit 6 and the data proces sing unit 7 , by another printed circuit board PCB with another measurement unit 6 and another data proces sing unit s 7 . This replacement can even take place in a pos sible embodiment when the Function Enhancement Control Cabinet Busbar Module 1 shown in Fig . 25 is sandwiched between the power di stribution system 14 of the control cabinet 13 and the application de- vice 15 . Accordingly, an application device 15 mounted on the front side of the housing of the Function Enhancement Control Cabinet Busbar Module 1 as shown in Fig . 25 has not to be taken of f for a replacement of the internal circuit ry of the Function Enhancement Control Cabinet Busbar Module 1 .

Fig . 2 6 illustrates a further exemplary embodiment of a Func- tion Enhancement Control Cabinet Busbar Module 1 according to the present invention . In the illustrated embodiment , there is a further communication busbar 50 provided which allows a separate communication with other Function Enhancement Con- trol Cabinet Busbar Modules 1 of the control cabinet 13 . Fig . 2 6 shows three power supply busbars 30-1 , 30-2 , 30-3 of a power distribution system 14 of the control cabinet 13 and a separate communication busbar 50 which can be used for commu- nication of the data proces sing unit 7 of the Funct ion En- hancement Control Cabinet Busbar Module 1 shown in Fig . 2 6 with other entities of the control cabinet 13 , in particular with the data proces sing unit s 7 of other Function Enhance- ment Control Cabinet Modules 1 mounted on the power distribu- tion system 14 and connected to the same communicat ion busbar

50 .

Figs . 27 A, 27B show a further exemplary embodiment of an ap- plication device 15 connected to the front side of a Function Enhancement Control Cabinet Module 1 according to the present invention . In the illustrated embodiment , the application de- vice 15 comprises a foldable graphical user interface GUI . The graphical user interface GUI illustrated in Fig . 27A is unfolded to increase the available display area as shown in Fig . 27B .

In a pos sible embodiment , the user visualization interface 5 of the Function Enhancement Control Cabinet Busbar Module 1 comprises also a display unit having a foldable display area . In this way, more complex information concerning the Function Enhancement Control Cabinet Busbar Module 1 and the applica- tion device 15 or it s connected load device 21A or connected power source 21B can be displayed to a user U of the control cabinet 13 .

Fig . 28 illustrates a perspective view on a busbar board com- prising a plurality of dif ferent application device s 15 con- nected to the busbar board through corresponding Function En- hancement Control Cabinet Busbar Modules 1 according to the present invention . In the illustrated embodiment of Fig . 28 , a first Function Enhancement Control Cabinet Busbar Module 1-1 does not carry an as sociated application device 15 . The Function Enhancement Control Cabinet Busbar Modules 1-1 , 1-2 , 1-3 each carry a single as sociated application device 15-2 , 15-3 , 15-4 . The fifth Function Enhancement Control Cabinet Busbar Module 1-5 carries two application devices 15-5 . The sixth Function Enhancement Control Cabinet Busbar Module 1- 6 illustrated in Fig. 28 carries an adapter device 15-6 as an application device.

Any application device 15-i as illustrated in Fig. 28 can al- so be connected directly to the busbars 30 integrated in the busbar board without the provision of a sandwiched Function Enhancement Control Cabinet Busbar Module 1-i in case that no measurement data MDATA is required, in particular if the load device 21A connected to the respective application device 15- i does not form a critical component of the automation sys- tem.

In a possible embodiment the busbar board 47 shown in Fig.28 can be mounted to a rear side power supply module of the pow- er distribution system 14 adapted to provide a power supply of the busbar board 49 from a rear side of the busbar board 49. The busbar board 49 can be mounted without requiring use of a tool to protruding touch protected and lyre shaped con- tacts of the rear side power supply module enclosing in the mounted position sidewalls of U-shaped busbars 30 integrated in the busbar board 49.

The Function Enhancement Control Cabinet Module 1 is able to determine the direction of the power flow (energy flow ) from the correlation between the measured electrical current, I, and the measured electrical voltage, V.

In possible embodiment, if the measured electrical current, I, and the measured electrical voltage, V, have the same signs, i.e. a phase relationship between 0 degrees and 180 degrees, this is interpreted as power flow from a source to a load (forward power supply direction) whereas if the measured electrical current, I, and the measured electrical voltage, V, have different directions, i.e. opposing directions, this is interpreted as a power flow from load to source (reverse power supply direction) .

In a possible embodiment the energy flow direction of the en- ergy flow and/or the amplitude of the energy flow can be dis- played on a display unit of the user visualization interface 5 to the user during operation of the Function Enhancement Control Cabinet Module, FECCM, 1.

Grid coupling of grids A, B with a power electronic subsystem 60 allows to exchange electrical energy between power grids with different voltage levels, different operation frequen- cies or with different topologies.

The choice of converter operation points allows to choose the direction of the energy flow. Since the operation points can be adjusted by a controller in real time, a regulation and control of the energy flow is possible even if parameters of the coupled grids or coupled devices change rapidly over time .

Figs. 29A to 29D and Figs. 30A to 30D show possible embodi- ments of power electronic subsystems 60 used for switching of the energy flow between a forward power supply direction and reverse power supply direction for different types of coupled grids. The power electronic subsystem 60 is provided in a Function Enhancement Control Cabinet Module 1 according to the present invention.

Figs. 29A, 30A illustrate a coupling between two 3-phase AC power supply grids through a power electronic subsystem 60 comprising on the input side and on the output side pairs of thyristors for each phase of the 3-phase AC grid . The thyris- tors form controllable semiconductor switches adapted to per- form a switching of the energy flow between the forward sup- ply direction and the reverse supply direction . The thyris- tors can be controlled by a microcontroller 23 integrated in the data proces sing unit 7 of the Function Enhancement Con- trol Cabinet Module , FECCM, 1 .

Figs . 2 9B, 30B illustrate a coupling between a 3-phase AC power supply grid and a single phase AC power supply grid through a power electronic subsystem 60 comprising thyristors controlled by controller for performing switching of the en- ergy flow between a forward power supply direction and re- verse power supply direction . The arrangement illustrated in Figs . 2 9B, 30B can for example be used to feed a single phase AC train system .

Figs . 2 9C, 30C illustrate a coupling between two DC power supply grids through a power electronic subsystem 60 . In the illustrated implementation the power electronic subsystem 60 comprises MOSFETS as switching means . The MOSFETs form semi- conductor switches used to perform a switching of the energy flow between the forward supply direction and the reverse supply direction . A pair of MOSFETS at the DC input side is connected to a pair of MOSFETs on the DC output side though a coil . The MOSFETs can be controlled by a microcontroller 23 integrated in the data proces sing unit 7 of the Function En- hancement Control Cabinet Module , FECCM, 1 .

Figs . 2 9D , 30D illustrate a coupling between a 3 phase AC power supply grid A and a DC power supply grid B through a power electronic subsystem 60 . The illustrated arrangement of Figs 2 9D , 30D can be used for loading a battery of an electric cars or for another kind of electric storage device by a 3- phase power supply grid A . In the illustrated implementation the power electronic subsystem 60 comprises three pairs of IGBTs as switching means . The IGBTs form semiconductor switches used to perform a switching of the energy flow be- tween the forward supply direction and the reverse supply di- rection . The IGBTs can be controlled by a microcont roller 23 integrated in the data proces sing unit 7 of the Function En- hancement Control Cabinet Module , FECCM, 1 .

The provision of power electronic subsystem 60 allows to con- trol the energy flow direction of the electrical power flow- ing between the source and the load via the bidirectional power supply path, PSP .

In pos sible embodiment a user may set the power flow direc- tion and the system may control the power flow direction ac- cordingly by setting the corresponding set values .

The system may also set an operation point or set value de- pending on other defined parameters .

For example a battery as a load device can comprise as param- eters it s state of charge SoC and the ef fective grid voltage . I f the battery is discharged ( SoC=0 ) electrical power is tak- en from the grid .

I f the battery is fully charged ( SoC =1 ) it operate s in the idle mode and the state of charge is maintained .

I f the battery is charged and the grid voltage drops energy is fed into the grid for support . Figs . 2 9 , 30 show pos sible embodiment s of power electronic subsystems 60 used for switching of the energy flow between a forward power supply direction and reverse power supply di- rection in a Function Enhancement Control Cabinet Module 1 according to the present invention .

Figs . 31 and 32 show further pos sible embodiment s of power electronic subsystems 60 used for switching between a forward power supply direction and reverse power supply direction in a Function Enhancement Control Cabinet Module 1 according to the present invention .

Fig . 31 illustrates a self commutated inverter system with a DC voltage link . The arrangement illustrated in Fig . 31 can be used also for driving of a 3-phase motor instead of grid B . As can be seen in Fig . 31 the power electronic subsystem 60 comprises three pairs of IGBTs on the input side and three pairs of IGBTs on the output side and comprising a capacitor C forming the DC voltage link . The IGBTs form switches used to perform a control of the energy flow between the forward supply direction and the reverse supply direction . The IGBTs can be controlled by a microcontroller 23 or FPGA integrated in the data proces sing unit 7 of the Function Enhancement Control Cabinet Module , FECCM, 1 .

Fig . 32 illustrates a 3-phase power supply grid A connected via a power electronic subsystem 60 to storage cell s of a battery . There can be an energy flow from the grid A to the battery in a forward supply direction or from the battery to the grid A in a reverse supply direction . The IGBTs of the power electronic subsystem 60 shown in Fig . 32 form switches used to perform a control of the energy flow between the for- ward supply direction and the reverse supply direct ion . The IGBTs can be controlled by a microcontroller 23 integrated in the data proces sing unit 7 of the Function Enhancement Con- trol Cabinet Module , FECCM, 1 .

The power electronic subsystem 60 within the housing of the Function Enhancement Control Cabinet Module , FECCM, 1 can in a pos sible embodiment of the Function Enhancement Control Cabinet Module , FECCM, 1 be replaced for dif ferent use cases or applications .

Claims

Claims :

1. A Function Enhancement Control Cabinet Module, FECCM, (1) for a control cabinet (13) , said Function Enhancement Control Cabinet Module, FECCM, (1) being integrated in a housing and comprising:

- at least one energy interface (2) provided at a rear side of the housing of the Function Enhancement Control Cabinet Module, FECCM, (1) for connection of said Func- tion Enhancement Control Cabinet Module, FECCM, (1) to a power distribution system (14) of said control cabi- net (13) ;

- at least one application device interface (3) provided at a front side of the housing Function Enhancement Control Cabinet Module, FECCM, (1) for connection and power supply of at least one application device (15) to said Function Enhancement Control Cabinet Module, FECCM, (1) ; at least one internal bidirectional power supply path ,PSP, provided between the energy interface (2) and the application device interf ace ( 3 ) , wherein the at least one internal bidirectional power supply path ,PSP, is adapted to feed electrical power from the power distribution system (14) connected to the energy interface (2) in a forward power supply di- rection to the application device (15) connected to the application device interface (3) or is adapted to feed electrical power in a reverse power supply direction from the application device (15) connected to the ap- plication device interface (3) to the power distribu- tion system (14) connected to the energy interface (2) ;

- a control interface (4) for connection of said Function Enhancement Control Cabinet Module, FECCM, (1) to an external controller (17) ; and comprising

- a user visualization interface (5) adapted to provide output information to a user and/or adapted to receive user input commands from a user of said control cabinet (13) .

2. The Function Enhancement Control Cabinet Module, FECCM, according to claim 1 comprising switching means adapted to switch an energy flow between the forward power supply direction and the reverse power supply direction depend- ing on a type of a device (21) connected to the applica- tion device (15) mounted to the application device inter- face (3) at the front side of the housing of the Function Enhancement Control Cabinet Module, FECCM, (1) .

3. The Function Enhancement Control Cabinet Module, FECCM, according to claim 2 wherein the switching means are adapted to perform the switching of the energy flow be- tween the forward supply direction and the reverse supply direction under control of a microcontroller (23) or FPGA integrated in a data processing unit (7) of the Function Enhancement Control Cabinet Module, FECCM, (1) .

4. The Function Enhancement Control Cabinet Module, FECCM, according to claim 3 wherein the data processing unit, DPU, (7) of said Function Enhancement Control Cabinet Module, FECCM, (1) is adapted to identify a type of the at least one application device (15) connected to the ap- plication device interface (3) at the front side of the housing of the Function Enhancement Control Cabinet Mod- ule, FECCM, (1) and/or is adapted to identify the type of the device (21) connected to the application device (15) based on a stored current profile and voltage profile and/or based on application device identification data received by the Function Enhancement Control Cabinet Mod- ule, FECCM, (1) from the connected application device (15) via a wired application device control interface (22) or via a wireless application device control inter- face (22) , wherein the wireless application device con- trol interface (22) comprises an RFID interface, a Near Field Communication interface, a WiFi interface or a Bluetooth interface. The Function Enhancement Control Cabinet Module, FECCM, according to claims 3 or 4 further comprising at least one measurement unit, MU, (6) provided between the energy interface (2) and the application device interface (3) to provide measurement data, MDATA, to the data processing unit, DPU, (7) of said Function Enhancement Control Cabi- net Module, FECCM, (1) . The Function Enhancement Control Cabinet Module, FECCM, according to claim 5 wherein the data processing unit ,DPU, (7) is galvanically isolated from said measurement unit, MU, (6) and is adapted to exchange control infor- mation and data with the external controller (17) con- nected to the control interface (4) of the Function En- hancement Control Cabinet Module, FECCM, (1) . - The Function Enhancement Control Cabinet Module, FECCM, according to claim 5 or 6 wherein the measurement unit, MU, (6) included in the housing of the Function Enhance- ment Control Cabinet Module, FECCM, (1) comprises at least one current sensor (9A) adapted to measure an amplitude or an amplitude change of an electrical cur- rent, I, flowing through the bidirectional power supply path ,PSP, and comprises at least one voltage sensor (9B) adapted to measure an amplitude or an amplitude change of an electrical volt- age, V, at the energy interface (2) provided at the rear side of the housing of the Function Enhancement Control Cabinet Module, FECCM, (1) and/or at the application de- vice interface (3) provided at the front side of the housing of the Function Enhancement Control Cabinet Mod- ule, FECCM, (1) and comprises at least one temperature sensor (28A) adapted to measure a temperature, T, or a temperature change inside the housing of the Function Enhancement Control Cabinet Mod- ule, FECCM, (1) . The Function Enhancement Control Cabinet Module, FECCM, according to any of the preceding claims 3 to 7 wherein the data processing unit, DPU, (7) of the Func- tion Enhancement Control Cabinet Module, FECCM, (1) is adapted to determine an application device operation state of the at least one application device (15) con- nected to the application device interface (3) provided at the front side of the housing of said Function En- hancement Control Cabinet Module, FECCM, (1) by evalua- tion of the measurement data, MDATA, received by the data processing unit, DPU, (7) from the measurement unit, MU, (6) of the Function Enhancement Control Cabinet Module, FECCM, (1) and/or wherein the data processing unit, DPU, (7) of the Func- tion Enhancement Control Cabinet Module, FECCM, (1) is adapted to determine a power supply state of the power distribution system (14) connected to the energy inter- face (2) provided at the rear side of the housing of said Function Enhancement Control Cabinet Module, FECCM, (1) by evaluation of the measurement data, MDATA, received by the data processing unit, DPU, (7) of the Function En- hancement Control Cabinet Module, FECCM, (1) from the measurement unit, MU, (6) of the Function Enhancement Control Cabinet Module, FECCM, (1) . The Function Enhancement Control Cabinet Module, FECCM, according to claim 8 wherein the user visualization in- terface (5) is connected to the data processing unit, DPU, (7) of the Function Enhancement Control Cabinet Mod- ule, FECCM, (1) and is adapted to display the applica- tion device operation state, in particular an operation failure state, of the at least one application device (15) connected to the application device interface (3) provided at the front side of the housing of the Function Enhancement Control Cabinet Module, FECCM, (1) and/or is adapted to display a power supply state of the power dis- tribution system (14) connected to the energy interface (2) provided at the rear side of the housing of the Func- tion Enhancement Control Cabinet Module, FECCM, (1) . The Function Enhancement Control Cabinet Module, FECCM, according to claim 9 wherein the user visualization in- terface (5) is a touch sensitive user interface adapted to receive user input commands of a user of the control cabinet (13) . The Function Enhancement Control Cabinet Module, FECCM, according to claim 4, wherein the data processing unit, DPU, (7) is adapted to receive via a communication channel device operation boundary data and/or device characteristics stored in a configuration memory (15B) of the application device (15) connected to the application device interface (3) via the wired or wireless application device control interface (22) to the data processing unit, DPU, (7) of the Func- tion Enhancement Control Cabinet Module, FECCM, (1) , wherein the device operation boundary data of the appli- cation device (15) comprises a maximum and minimum admissible supply current, I, a maximum and minimum admissible supply voltage, V, a maximum and minimum admissible operation tempera- ture, T, an I²t value and/or a maximum switching frequency of the connected applica- tion device (15) or load device (21A) . The Function Enhancement Control Cabinet Module, FECCM, according to claim 11 wherein the data processing unit, DPU, (7) of the Function Enhancement Control Cabinet Mod- ule, FECCM, (1) is adapted to perform automatically a pre-configurat ion of possible functions of the connected application device (15) and/or a pre-conf iguration of possible functions of the Function Enhancement Control Cabinet Module, FECCM, (1) on the basis of the applica- tion device identification data and/or on the basis of the device operation boundary data and/or the device characteristics received by the data processing unit, DPU, (7) via the wired or wireless application device control interface (22) . The Function Enhancement Control Cabinet Module, FECCM, according to claim 7, wherein the current sensor (9A) of the measurement unit, MU, (6) being adapted to measure an amplitude or an am- plitude change of the electrical current, I, flowing through the internal bidirectional power supply path, PSP, comprises at least one shunt resistor, a Hall sen- sor, a current transformer or a Rogowski coil being adapted to provide a current sensor signal sampled with a predetermined or adjustable sampling rate , SR, and con- verted by a first analog to digital converter, ADC1, (10A) of the measurement unit, MU, (6) to generate cur- rent measurement data, I-MDATA, supplied by the measure- ment unit, MU, (6) to a local non-volatile data memory (11) of the data processing unit, DPU, (7) of the Func- tion Enhancement Control Cabinet Module, FECCM, (1) for immediate usage and calculations and/or stored in a local non-volatile data memory (11) of the data processing unit, DPU, (7) as a current profile, I-Profile, and wherein the voltage sensor (9B) of the measurement unit, MU, (6) being adapted to measure an amplitude or an am- plitude change of the electrical voltage, V, at the in- ternal bidirectional power supply path, PSP, is adapted to provide a voltage sensor signal sampled with a prede- termined or adjustable sampling rate , SR, and converted by a second analog to digital converter, ADC2, (10B) of the measurement unit, MU, (6) to generate voltage meas- urement data, V-MDATA, supplied by the measurement unit, MU, (6) to a local non-volatile data memory (11) of the data processing unit, DPU, (7) of the Function Enhance- ment Control Cabinet Module, FECCM, (1) for immediate us- age and calculations and/or stored in a local non- volatile data memory (11) of the data processing unit, DPU, (7) as a voltage profile, V-Profile, and wherein the temperature sensor (28A) being adapted to measure a temperature, T, or a temperature change at the internal bidirectional power supply path, PSP, provided within the housing of the Function Enhancement Control Cabinet Module, FECCM, (1) is adapted to provide a tem- perature sensor signal sampled with predetermined or ad- justable sampling rate , SR, and converted by a third ana- log to digital converter, ADC3, (28B) of the measurement unit, MU, (6) to generate temperature measurement data, T-MDATA, supplied by the measurement unit, MU, (6) to a local non-volatile data memory (11) of the data pro- cessing unit, DPU, (7) of the Function Enhancement Con- trol Cabinet Module, FECCM, (1) for immediate usage and calculations and/or stored in the local non-volatile data memory (11) of the data processing unit, DPU, (7) as a temperature profile, T-Profile. The Function Enhancement Control Cabinet Module, FECCM, according to any of the preceding claims 1 to 13 an AC power supply phase, L, is applied to a corresponding electrical contact of the energy interface (2) provided at the rear side of the housing of the Function Enhance- ment Control Cabinet Module, FECCM, (1) connected to the power distribution system (14) . The Function Enhancement Control Cabinet Module, FECCM, according to any of the preceding claims 1 to 14, wherein the data processing unit, DPU, (7) included in the hous- ing of the Function Enhancement Control Cabinet Module, FECCM, (1) is adapted to process measurement data, MDATA, application device identification data and/or de- vice operation boundary data of the application device (15) connected to the application device interface (3) of the Function Enhancement Control Cabinet Module, FECCM, (1) in real time to optimize an electrical power supply of the connected application device (15) and/or to pro- vide an overcurrent protection and/or to provide an over- load protection to the connected application device (15) or to provide an overcurrent protection and/or to provide an overload protection to a load device (21A) connected to the application device (15) and/or to control a state of the connected application device (15) and/or to con- trol a state of a load device (21A) and/or of a power generation device (21B) connected to the application de- vice (15) . The Function Enhancement Control Cabinet Module, FECCM, according to the preceding claims wherein measurement data, MDATA, application device iden- tification data and/or device operation boundary data are recorded and stored continuously or event-driven at least temporarily in a local non-volatile data memory (11) of the data processing unit, DPU, (7) of the Function En- hancement Control Cabinet Module, FECCM, (1) , wherein the data processing unit, DPU, (7) of the Func- tion Enhancement Control Cabinet Module, FECCM, (1) is adapted to evaluate the stored measurement data, MDATA, the stored application device identification data and/or the stored device operation state of the application de- vice (15) connected to the application device interface (3) provided at the front side of the housing of the Function Enhancement Control Cabinet Module, FECCM, (1) to detect or predict a failure of the connected applica- tion device (15) and is adapted to notify an internal mi- crocontroller (23) or FPGA of the data processing unit, DPU, (7) or an external controller (17) connected to the control interface (4) of the Function Enhancement Control Cabinet Module, FECCM, (1) about the detected or predict- ed failure of the connected application device (15) . The Function Enhancement Control Cabinet Module, FECCM, according to claim 16 wherein an acquisition of the meas- urement data, MDATA, the application device identifica- tion data and/or of the device operation boundary data is triggered and controlled by the internal microcontroller (23) or by a FPGA of the data processing unit, DPU, (7) included in the housing of the Function Enhancement Con- trol Cabinet Module, FECCM, (1) . The Function Enhancement Control Cabinet Module, FECCM, according to claim 17 , wherein the acquired measurement data, MDATA, stored in the local non-volatile data memory (11) of the data pro- cessing unit, DPU, (7) is evaluated by a processor (12) of the data processing unit, DPU, (7) of the Function En- hancement Control Cabinet Module, FECCM, (1) to determine specific data patterns representing associated applica- tion device operation states of the at least one applica- tion device (15) connected to the application device in- terface (3) provided at the front side of the housing of the Function Enhancement Control Cabinet Module, FECCM, (1) and/or representing associated power supply states of the power distribution system (14) connected to the ener- gy interface (2) provided at the rear side of the housing of the Function Enhancement Control Cabinet Module, FECCM, (1) . The Function Enhancement Control Cabinet Module, FECCM, according to claim 18 wherein the processor (12) of the data processing unit, DPU, (7) comprises a trained arti- ficial neural network, ANN, adapted to recognize applica- tion device operation states of the application device (15) connected to the application device interface (3) provided at the front side of the housing of the Function Enhancement Control Cabinet Module, FECCM, (1) and/or to recognize power supply operation states of the power dis- tribution system (14) connected to the energy interface (2) provided at the rear side of the housing of the Func- tion Enhancement Control Cabinet Module, FECCM, (1) on the basis of measurement data, MDATA, received by the da- ta processing unit, DPU, (7) from the galvanically iso- lated measurement unit, MU, (6) of the Function Enhance- ment Control Cabinet Module, FECCM, (1) or read from the local non-volatile data memory (11) of the data pro- cessing unit, DPU, (7) and applied to an input layer of the trained artificial neural network, ANN, of the pro- cessor (12) of the data processing unit, DPU, (7) to pro- vide a classification result output by an output layer of the trained artificial neural network, ANN, to the inter- nal microcontroller (23) or the FPGA of the data pro- cessing unit, DPU, (7) . The Function Enhancement Control Cabinet Module, FECCM, according to the preceding claims wherein the data pro- cessing unit, DPU, (7) of the Function Enhancement Con- trol Cabinet Module, FECCM, (1) is adapted to communicate with an external control cabinet controller (17) connect- ed to the control interface (4) of the Function Enhance- ment Control Cabinet Module, FECCM, (1) by means of a predefined data transfer protocol including a field bus data transfer protocol or an Ethernet-based data transfer protocol . The Function Enhancement Control Cabinet Module, FECCM, according to the preceding claims, wherein the applica- tion device (15) connected to the application device in- terface (3) provided at the front side of the housing of the Function Enhancement Control Cabinet Module, FECCM, (1) comprises a switchable or non-switchable load con- nector . The Function Enhancement Control Cabinet Module, FECCM, according to the preceding claims, wherein the energy interface (2) provided at the rear side of the housing of the Function Enhancement Control Cabinet Module, FECCM, (1) comprises several electrical contacts for AC power supply phases, L, of a multiphase power distribution system (14) and wherein the application device interface (3) provided at the front side of the housing of the Function Enhancement Control Cabinet Module, FECCM, (1) comprises several electrical contacts for AC power supply phases, L, of a multiphase application device (15) connectable to the ap- plication device interface (3) provided at the front side of the housing of the Function Enhancement Control Cabi- net Module, FECCM, (1) . The Function Enhancement Control Cabinet Module, FECCM, according to claim 22, wherein a processor (12) of a data processing unit, DPU, (7) of the Function Enhancement Control Cabinet Module, FECCM, (1) is adapted to calculate a phase relationship between different electrical AC power supply phases, L, supplied via the bidirectional internal power supply path, PSP, of the Function Enhancement Control Cabinet Module, FECCM, (1) and/or to determine a frequency of the electrical AC power supply phases, L, based on the meas- urement data, MDATA, received by the data processing unit, DPU, (7) from a measurement unit, MU, (6) of the Function Enhancement Control Cabinet Module, FECCM, (1) and/or to calculate a real power, a reactive power and/or an apparent power of each phase, L, and to calculate summed real, reactive and apparent power values of a mul- ti-phase power distribution system (14) , and/or to accu- mulate energy values related to single phases or related to multiple phases of a multiphase power distribution system (14) . The Function Enhancement Control Cabinet Module, FECCM, according to the preceding claims 5 to 23 wherein the measurement unit, MU, (6) of the Function Enhancement Control Cabinet Module, FECCM, (1) is integrated in a measurement submodule connected via an internal data and control interface (8) to the data processing unit, DPU, (7) of the Function Enhancement Control Cabinet Module, FECCM, (1) integrated in a separate data processing sub- module . The Function Enhancement Control Cabinet Module, FECCM, according to the preceding claims 5 to 24, wherein the data processing unit, DPU, (7) is adapted to perform an automatic rotation field detection and/or an automatic polarity detection based on the measurement da- ta, MDATA, received from the measurement unit, MU, (6) and/or based on a phase relationship between different electrical AC power supply phases, L, calculated by a processor (12) of the data processing unit, DPU, (7) . The Function Enhancement Control Cabinet Module, FECCM, according to the preceding claims 5 to 25 wherein the da- ta processing unit, DPU, (7) of the Function Enhancement Control Cabinet Module, FECCM, (1) comprises a microcon- troller (23) or FPGA adapted to control at least one ac- tuator , in particular at least one semiconductor switch, provided in the bidirectional internal power supply path, PSP, or located at the application device side in re- sponse to the measurement data, MDATA, received by the data processing unit, DPU, (7) from the measurement unit, MU, (6) of the Function Enhancement Control Cabinet Mod- ule, FECCM, (1) to optimize the power supply to the con- nected application device (15) and/or to provide protec- tion against overcurrent and/or against overload. The Function Enhancement Control Cabinet Module, FECCM, according to claim 26 wherein the microcontroller (23) or the FPGA of the data processing unit, DPU, (7) is adapted to control functions of the application device (15) con- nected to the application device interface (3) provided at the front side of the housing of the Function Enhance- ment Control Cabinet Module, FECCM, (1) through an appli- cation device control interface (22) of the Function En- hancement Control Cabinet Module, FECCM, (1) . The Function Enhancement Control Cabinet Module, FECCM, according to the preceding claims 5 to 25 wherein meas- urement data, MDATA, supplied by the measurement unit, MU, (6) of the Function Enhancement Control Cabinet Mod- ule, FECCM, (1) to the processor (12) or to the FPGA of the data processing unit, DPU, (7) of the Function En- hancement Control Cabinet Module, FECCM, (1) and/or stored in the local non-volatile data memory (11) of the data processing unit, DPU, (7) and/or failure messages indicating a failure of the Function Enhancement Control Cabinet Module, FECCM, (1) and/or a failure of an appli- cation device (15) connected to the application device interface (3) of the Function Enhancement Control Cabinet Module, FECCM, (1) are forwarded via the control inter- face (4) to the external control cabinet controller (17) connected to the control interface (4) of the Function Enhancement Control Cabinet Module, FECCM, (1) along with a unique identifier , FMCCI-ID, of the Function Enhance- ment Control Cabinet Module, FECCM, (1) and/or along with position information indicating a mounting position of the affected Function Enhancement Control Cabinet Module, FECCM, (1) within the control cabinet (13) . The Function Enhancement Control Cabinet Module, FECCM, according to the preceding claims 1 to 28, wherein the switching means comprises a power electronic subsystem (60) having semiconductor switches adapted to perform a switching of an energy flow between the forward supply direction and the reverse supply direction under control of a microcontroller (23) or FPGA integrated in a data processing unit (7) of the Function Enhancement Control Cabinet Module, FECCM, (1) . A control cabinet for an automation system, said control cabinet (13) comprising one or more Function Enhancement Control Cabinet Modules, FECCMs, (1) according to any of the preceding claims 1 to 29. The control cabinet according to claim 30 wherein a mul- tiphase Function Enhancement Control Cabinet Module, FECCM, (1) mounted in the control cabinet (13) comprises for each AC power supply phase, L, of the AC power dis- tribution system (14) an associated measurement unit, MU, (6) and a corresponding data processing unit, DPU, (7) wherein the measurement units, MUs, (6) and the data pro- cessing units, DPUs, (7) of the multiphase Function En- hancement Control Cabinet Module, FECCM, (1) are provided on a common rectangular printed circuit board (PCB) being enclosed by an elongated housing of the multiphase Func- tion Enhancement Control Cabinet Module, FECCM, (1) and being oriented perpendicular to bus bars (30) of the mul- tiphase AC power distribution system (14) or perpendicu- lar to mounting rails of the control cabinet (13) , where- in the printed circuit board (PCB) is fixed in the hous- ing or is arranged replaceable within the housing of the Function Enhancement Control Cabinet Module (1) .